20855405088

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{827}}^1\times {\mathrm{1787}}^1$

素因数の和:2644

約数の個数: 216

約数和(自身を含む): 69112500912

約数和(自身を除く): 48257095824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 392, 441, 504, 588, 672, 784, 827, 882, 1008, 1176, 1568, 1654, 1764, 1787, 2016, 2352, 2481, 3308, 3528, 3574, 4704, 4962, 5361, 5789, 6616, 7056, 7148, 7443, 9924, 10722, 11578, 12509, 13232, 14112, 14296, 14886, 16083, 17367, 19848, 21444, 23156, 25018, 26464, 28592, 29772, 32166, 34734, 37527, 39696, 40523, 42888, 46312, 50036, 52101, 57184, 59544, 64332, 69468, 75054, 79392, 81046, 85776, 87563, 92624, 100072, 104202, 112581, 119088, 121569, 128664, 138936, 150108, 162092, 171552, 175126, 185248, 200144, 208404, 225162, 238176, 243138, 257328, 262689, 277872, 300216, 324184, 350252, 364707, 400288, 416808, 450324, 486276, 514656, 525378, 555744, 600432, 648368, 700504, 729414, 788067, 833616, 900648, 972552, 1050756, 1200864, 1296736, 1401008, 1458828, 1477849, 1576134, 1667232, 1801296, 1945104, 2101512, 2802016, 2917656, 2955698, 3152268, 3602592, 3890208, 4203024, 4433547, 5835312, 5911396, 6304536, 8406048, 8867094, 10344943, 11670624, 11822792, 12609072, 13300641, 17734188, 20689886, 23645584, 25218144, 26601282, 31034829, 35468376, 41379772, 47291168, 53202564, 62069658, 70936752, 72414601, 82759544, 93104487, 106405128, 124139316, 141873504, 144829202, 165519088, 186208974, 212810256, 217243803, 248278632, 289658404, 331038176, 372417948, 425620512, 434487606, 496557264, 579316808, 651731409, 744835896, 868975212, 993114528, 1158633616, 1303462818, 1489671792, 1737950424, 2317267232, 2606925636, 2979343584, 3475900848, 5213851272, 6951801696, 10427702544, 20855405088]

約数ペア:

[(1, 20855405088), (2, 10427702544), (3, 6951801696), (4, 5213851272), (6, 3475900848), (7, 2979343584), (8, 2606925636), (9, 2317267232), (12, 1737950424), (14, 1489671792), (16, 1303462818), (18, 1158633616), (21, 993114528), (24, 868975212), (28, 744835896), (32, 651731409), (36, 579316808), (42, 496557264), (48, 434487606), (49, 425620512), (56, 372417948), (63, 331038176), (72, 289658404), (84, 248278632), (96, 217243803), (98, 212810256), (112, 186208974), (126, 165519088), (144, 144829202), (147, 141873504), (168, 124139316), (196, 106405128), (224, 93104487), (252, 82759544), (288, 72414601), (294, 70936752), (336, 62069658), (392, 53202564), (441, 47291168), (504, 41379772), (588, 35468376), (672, 31034829), (784, 26601282), (827, 25218144), (882, 23645584), (1008, 20689886), (1176, 17734188), (1568, 13300641), (1654, 12609072), (1764, 11822792), (1787, 11670624), (2016, 10344943), (2352, 8867094), (2481, 8406048), (3308, 6304536), (3528, 5911396), (3574, 5835312), (4704, 4433547), (4962, 4203024), (5361, 3890208), (5789, 3602592), (6616, 3152268), (7056, 2955698), (7148, 2917656), (7443, 2802016), (9924, 2101512), (10722, 1945104), (11578, 1801296), (12509, 1667232), (13232, 1576134), (14112, 1477849), (14296, 1458828), (14886, 1401008), (16083, 1296736), (17367, 1200864), (19848, 1050756), (21444, 972552), (23156, 900648), (25018, 833616), (26464, 788067), (28592, 729414), (29772, 700504), (32166, 648368), (34734, 600432), (37527, 555744), (39696, 525378), (40523, 514656), (42888, 486276), (46312, 450324), (50036, 416808), (52101, 400288), (57184, 364707), (59544, 350252), (64332, 324184), (69468, 300216), (75054, 277872), (79392, 262689), (81046, 257328), (85776, 243138), (87563, 238176), (92624, 225162), (100072, 208404), (104202, 200144), (112581, 185248), (119088, 175126), (121569, 171552), (128664, 162092), (138936, 150108)]