20781500544

素因数分解:

$2^7\times 3^2\times 7^2\times {\mathrm{368153}}^1$

素因数の和:368187

約数の個数: 144

約数和(自身を含む): 69564539070

約数和(自身を除く): 48783038526

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, 64, 72, 84, 96, 98, 112, 126, 128, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 384, 392, 441, 448, 504, 576, 588, 672, 784, 882, 896, 1008, 1152, 1176, 1344, 1568, 1764, 2016, 2352, 2688, 3136, 3528, 4032, 4704, 6272, 7056, 8064, 9408, 14112, 18816, 28224, 56448, 368153, 736306, 1104459, 1472612, 2208918, 2577071, 2945224, 3313377, 4417836, 5154142, 5890448, 6626754, 7731213, 8835672, 10308284, 11780896, 13253508, 15462426, 17671344, 18039497, 20616568, 23193639, 23561792, 26507016, 30924852, 35342688, 36078994, 41233136, 46387278, 47123584, 53014032, 54118491, 61849704, 70685376, 72157988, 82466272, 92774556, 106028064, 108236982, 123699408, 141370752, 144315976, 162355473, 164932544, 185549112, 212056128, 216473964, 247398816, 288631952, 324710946, 329865088, 371098224, 424112256, 432947928, 494797632, 577263904, 649421892, 742196448, 865895856, 989595264, 1154527808, 1298843784, 1484392896, 1731791712, 2309055616, 2597687568, 2968785792, 3463583424, 5195375136, 6927166848, 10390750272, 20781500544]

約数ペア:

[(1, 20781500544), (2, 10390750272), (3, 6927166848), (4, 5195375136), (6, 3463583424), (7, 2968785792), (8, 2597687568), (9, 2309055616), (12, 1731791712), (14, 1484392896), (16, 1298843784), (18, 1154527808), (21, 989595264), (24, 865895856), (28, 742196448), (32, 649421892), (36, 577263904), (42, 494797632), (48, 432947928), (49, 424112256), (56, 371098224), (63, 329865088), (64, 324710946), (72, 288631952), (84, 247398816), (96, 216473964), (98, 212056128), (112, 185549112), (126, 164932544), (128, 162355473), (144, 144315976), (147, 141370752), (168, 123699408), (192, 108236982), (196, 106028064), (224, 92774556), (252, 82466272), (288, 72157988), (294, 70685376), (336, 61849704), (384, 54118491), (392, 53014032), (441, 47123584), (448, 46387278), (504, 41233136), (576, 36078994), (588, 35342688), (672, 30924852), (784, 26507016), (882, 23561792), (896, 23193639), (1008, 20616568), (1152, 18039497), (1176, 17671344), (1344, 15462426), (1568, 13253508), (1764, 11780896), (2016, 10308284), (2352, 8835672), (2688, 7731213), (3136, 6626754), (3528, 5890448), (4032, 5154142), (4704, 4417836), (6272, 3313377), (7056, 2945224), (8064, 2577071), (9408, 2208918), (14112, 1472612), (18816, 1104459), (28224, 736306), (56448, 368153)]