20740488

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 54520320

約数和(自身を除く): 33779832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 61, 62, 93, 122, 124, 183, 186, 244, 248, 366, 372, 457, 488, 732, 744, 914, 1371, 1464, 1828, 1891, 2742, 3656, 3782, 5484, 5673, 7564, 10968, 11346, 14167, 15128, 22692, 27877, 28334, 42501, 45384, 55754, 56668, 83631, 85002, 111508, 113336, 167262, 170004, 223016, 334524, 340008, 669048, 864187, 1728374, 2592561, 3456748, 5185122, 6913496, 10370244, 20740488]

約数ペア:

[(1, 20740488), (2, 10370244), (3, 6913496), (4, 5185122), (6, 3456748), (8, 2592561), (12, 1728374), (24, 864187), (31, 669048), (61, 340008), (62, 334524), (93, 223016), (122, 170004), (124, 167262), (183, 113336), (186, 111508), (244, 85002), (248, 83631), (366, 56668), (372, 55754), (457, 45384), (488, 42501), (732, 28334), (744, 27877), (914, 22692), (1371, 15128), (1464, 14167), (1828, 11346), (1891, 10968), (2742, 7564), (3656, 5673), (3782, 5484)]