20972484

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1093}}^1$

素因数の和:1157

約数の個数: 72

約数和(自身を含む): 58537752

約数和(自身を除く): 37565268

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1066, 1093, 1476, 1599, 2132, 2186, 3198, 3279, 4372, 4797, 6396, 6558, 9594, 9837, 13116, 14209, 19188, 19674, 28418, 39348, 42627, 44813, 56836, 85254, 89626, 127881, 134439, 170508, 179252, 255762, 268878, 403317, 511524, 537756, 582569, 806634, 1165138, 1613268, 1747707, 2330276, 3495414, 5243121, 6990828, 10486242, 20972484]

約数ペア:

[(1, 20972484), (2, 10486242), (3, 6990828), (4, 5243121), (6, 3495414), (9, 2330276), (12, 1747707), (13, 1613268), (18, 1165138), (26, 806634), (36, 582569), (39, 537756), (41, 511524), (52, 403317), (78, 268878), (82, 255762), (117, 179252), (123, 170508), (156, 134439), (164, 127881), (234, 89626), (246, 85254), (369, 56836), (468, 44813), (492, 42627), (533, 39348), (738, 28418), (1066, 19674), (1093, 19188), (1476, 14209), (1599, 13116), (2132, 9837), (2186, 9594), (3198, 6558), (3279, 6396), (4372, 4797)]