20126912

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1423}}^1$

素因数の和:1465

約数の個数: 56

約数和(自身を含む): 45573696

約数和(自身を除く): 25446784

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1423, 1768, 2846, 3536, 5692, 7072, 11384, 14144, 18499, 22768, 24191, 36998, 45536, 48382, 73996, 91072, 96764, 147992, 193528, 295984, 314483, 387056, 591968, 628966, 774112, 1183936, 1257932, 1548224, 2515864, 5031728, 10063456, 20126912]

約数ペア:

[(1, 20126912), (2, 10063456), (4, 5031728), (8, 2515864), (13, 1548224), (16, 1257932), (17, 1183936), (26, 774112), (32, 628966), (34, 591968), (52, 387056), (64, 314483), (68, 295984), (104, 193528), (136, 147992), (208, 96764), (221, 91072), (272, 73996), (416, 48382), (442, 45536), (544, 36998), (832, 24191), (884, 22768), (1088, 18499), (1423, 14144), (1768, 11384), (2846, 7072), (3536, 5692)]