20787312

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4759}}^1$

素因数の和:4790

約数の個数: 80

約数和(自身を含む): 66106880

約数和(自身を除く): 45319568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 4759, 9518, 14277, 19036, 28554, 33313, 38072, 57108, 61867, 66626, 76144, 99939, 114216, 123734, 133252, 185601, 199878, 228432, 247468, 266504, 371202, 399756, 433069, 494936, 533008, 742404, 799512, 866138, 989872, 1299207, 1484808, 1599024, 1732276, 2598414, 2969616, 3464552, 5196828, 6929104, 10393656, 20787312]

約数ペア:

[(1, 20787312), (2, 10393656), (3, 6929104), (4, 5196828), (6, 3464552), (7, 2969616), (8, 2598414), (12, 1732276), (13, 1599024), (14, 1484808), (16, 1299207), (21, 989872), (24, 866138), (26, 799512), (28, 742404), (39, 533008), (42, 494936), (48, 433069), (52, 399756), (56, 371202), (78, 266504), (84, 247468), (91, 228432), (104, 199878), (112, 185601), (156, 133252), (168, 123734), (182, 114216), (208, 99939), (273, 76144), (312, 66626), (336, 61867), (364, 57108), (546, 38072), (624, 33313), (728, 28554), (1092, 19036), (1456, 14277), (2184, 9518), (4368, 4759)]