20510406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 53913600

約数和(自身を除く): 33403194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 59, 62, 63, 89, 93, 118, 126, 177, 178, 186, 217, 267, 279, 354, 413, 434, 531, 534, 558, 623, 651, 801, 826, 1062, 1239, 1246, 1302, 1602, 1829, 1869, 1953, 2478, 2759, 3658, 3717, 3738, 3906, 5251, 5487, 5518, 5607, 7434, 8277, 10502, 10974, 11214, 12803, 15753, 16461, 16554, 19313, 24831, 25606, 31506, 32922, 36757, 38409, 38626, 47259, 49662, 57939, 73514, 76818, 94518, 110271, 115227, 115878, 162781, 173817, 220542, 230454, 325562, 330813, 347634, 488343, 661626, 976686, 1139467, 1465029, 2278934, 2930058, 3418401, 6836802, 10255203, 20510406]

約数ペア:

[(1, 20510406), (2, 10255203), (3, 6836802), (6, 3418401), (7, 2930058), (9, 2278934), (14, 1465029), (18, 1139467), (21, 976686), (31, 661626), (42, 488343), (59, 347634), (62, 330813), (63, 325562), (89, 230454), (93, 220542), (118, 173817), (126, 162781), (177, 115878), (178, 115227), (186, 110271), (217, 94518), (267, 76818), (279, 73514), (354, 57939), (413, 49662), (434, 47259), (531, 38626), (534, 38409), (558, 36757), (623, 32922), (651, 31506), (801, 25606), (826, 24831), (1062, 19313), (1239, 16554), (1246, 16461), (1302, 15753), (1602, 12803), (1829, 11214), (1869, 10974), (1953, 10502), (2478, 8277), (2759, 7434), (3658, 5607), (3717, 5518), (3738, 5487), (3906, 5251)]