20975908096

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7253}}^1$

素因数の和:7372

約数の個数: 144

約数和(自身を含む): 49819311360

約数和(自身を除く): 28843403264

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 79, 88, 104, 128, 143, 158, 176, 208, 256, 286, 316, 352, 416, 572, 632, 704, 832, 869, 1027, 1144, 1264, 1408, 1664, 1738, 2054, 2288, 2528, 2816, 3328, 3476, 4108, 4576, 5056, 6952, 7253, 8216, 9152, 10112, 11297, 13904, 14506, 16432, 18304, 20224, 22594, 27808, 29012, 32864, 36608, 45188, 55616, 58024, 65728, 79783, 90376, 94289, 111232, 116048, 131456, 159566, 180752, 188578, 222464, 232096, 262912, 319132, 361504, 377156, 464192, 572987, 638264, 723008, 754312, 928384, 1037179, 1145974, 1276528, 1446016, 1508624, 1856768, 2074358, 2291948, 2553056, 2892032, 3017248, 4148716, 4583896, 5106112, 6034496, 6302857, 7448831, 8297432, 9167792, 10212224, 12068992, 12605714, 14897662, 16594864, 18335584, 20424448, 24137984, 25211428, 29795324, 33189728, 36671168, 50422856, 59590648, 66379456, 73342336, 81937141, 100845712, 119181296, 132758912, 146684672, 163874282, 201691424, 238362592, 265517824, 327748564, 403382848, 476725184, 655497128, 806765696, 953450368, 1310994256, 1613531392, 1906900736, 2621988512, 5243977024, 10487954048, 20975908096]

約数ペア:

[(1, 20975908096), (2, 10487954048), (4, 5243977024), (8, 2621988512), (11, 1906900736), (13, 1613531392), (16, 1310994256), (22, 953450368), (26, 806765696), (32, 655497128), (44, 476725184), (52, 403382848), (64, 327748564), (79, 265517824), (88, 238362592), (104, 201691424), (128, 163874282), (143, 146684672), (158, 132758912), (176, 119181296), (208, 100845712), (256, 81937141), (286, 73342336), (316, 66379456), (352, 59590648), (416, 50422856), (572, 36671168), (632, 33189728), (704, 29795324), (832, 25211428), (869, 24137984), (1027, 20424448), (1144, 18335584), (1264, 16594864), (1408, 14897662), (1664, 12605714), (1738, 12068992), (2054, 10212224), (2288, 9167792), (2528, 8297432), (2816, 7448831), (3328, 6302857), (3476, 6034496), (4108, 5106112), (4576, 4583896), (5056, 4148716), (6952, 3017248), (7253, 2892032), (8216, 2553056), (9152, 2291948), (10112, 2074358), (11297, 1856768), (13904, 1508624), (14506, 1446016), (16432, 1276528), (18304, 1145974), (20224, 1037179), (22594, 928384), (27808, 754312), (29012, 723008), (32864, 638264), (36608, 572987), (45188, 464192), (55616, 377156), (58024, 361504), (65728, 319132), (79783, 262912), (90376, 232096), (94289, 222464), (111232, 188578), (116048, 180752), (131456, 159566)]