20173673728

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{1889}}^1\times {\mathrm{3209}}^1$

素因数の和:5127

約数の個数: 72

約数和(自身を含む): 43402602600

約数和(自身を除く): 23228928872

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 1889, 3209, 3328, 3778, 6418, 7556, 12836, 15112, 24557, 25672, 30224, 41717, 49114, 51344, 60448, 83434, 98228, 102688, 120896, 166868, 196456, 205376, 241792, 333736, 392912, 410752, 483584, 667472, 785824, 821504, 1334944, 1571648, 2669888, 3143296, 5339776, 6061801, 6286592, 10679552, 12123602, 24247204, 48494408, 78803413, 96988816, 157606826, 193977632, 315213652, 387955264, 630427304, 775910528, 1260854608, 1551821056, 2521709216, 5043418432, 10086836864, 20173673728]

約数ペア:

[(1, 20173673728), (2, 10086836864), (4, 5043418432), (8, 2521709216), (13, 1551821056), (16, 1260854608), (26, 775910528), (32, 630427304), (52, 387955264), (64, 315213652), (104, 193977632), (128, 157606826), (208, 96988816), (256, 78803413), (416, 48494408), (832, 24247204), (1664, 12123602), (1889, 10679552), (3209, 6286592), (3328, 6061801), (3778, 5339776), (6418, 3143296), (7556, 2669888), (12836, 1571648), (15112, 1334944), (24557, 821504), (25672, 785824), (30224, 667472), (41717, 483584), (49114, 410752), (51344, 392912), (60448, 333736), (83434, 241792), (98228, 205376), (102688, 196456), (120896, 166868)]