20839626

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 48844800

約数和(自身を除く): 28005174

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 59, 62, 93, 118, 177, 186, 211, 279, 354, 422, 531, 558, 633, 837, 1062, 1266, 1593, 1674, 1829, 1899, 3186, 3658, 3798, 5487, 5697, 6541, 10974, 11394, 12449, 13082, 16461, 19623, 24898, 32922, 37347, 39246, 49383, 58869, 74694, 98766, 112041, 117738, 176607, 224082, 336123, 353214, 385919, 672246, 771838, 1157757, 2315514, 3473271, 6946542, 10419813, 20839626]

約数ペア:

[(1, 20839626), (2, 10419813), (3, 6946542), (6, 3473271), (9, 2315514), (18, 1157757), (27, 771838), (31, 672246), (54, 385919), (59, 353214), (62, 336123), (93, 224082), (118, 176607), (177, 117738), (186, 112041), (211, 98766), (279, 74694), (354, 58869), (422, 49383), (531, 39246), (558, 37347), (633, 32922), (837, 24898), (1062, 19623), (1266, 16461), (1593, 13082), (1674, 12449), (1829, 11394), (1899, 10974), (3186, 6541), (3658, 5697), (3798, 5487)]