20178962816

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{1181}}^1\times {\mathrm{4603}}^1$

素因数の和:5827

約数の個数: 64

約数和(自身を含む): 41630749200

約数和(自身を除く): 21451786384

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1181, 1856, 2362, 3712, 4603, 4724, 9206, 9448, 18412, 18896, 34249, 36824, 37792, 68498, 73648, 75584, 133487, 136996, 147296, 151168, 266974, 273992, 294592, 533948, 547984, 589184, 1067896, 1095968, 2135792, 2191936, 4271584, 4383872, 5436143, 8543168, 10872286, 17086336, 21744572, 43489144, 86978288, 157648147, 173956576, 315296294, 347913152, 630592588, 695826304, 1261185176, 2522370352, 5044740704, 10089481408, 20178962816]

約数ペア:

[(1, 20178962816), (2, 10089481408), (4, 5044740704), (8, 2522370352), (16, 1261185176), (29, 695826304), (32, 630592588), (58, 347913152), (64, 315296294), (116, 173956576), (128, 157648147), (232, 86978288), (464, 43489144), (928, 21744572), (1181, 17086336), (1856, 10872286), (2362, 8543168), (3712, 5436143), (4603, 4383872), (4724, 4271584), (9206, 2191936), (9448, 2135792), (18412, 1095968), (18896, 1067896), (34249, 589184), (36824, 547984), (37792, 533948), (68498, 294592), (73648, 273992), (75584, 266974), (133487, 151168), (136996, 147296)]