20450964

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 49363776

約数和(自身を除く): 28912812

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 197, 211, 246, 394, 422, 492, 591, 633, 788, 844, 1182, 1266, 2364, 2532, 8077, 8651, 16154, 17302, 24231, 25953, 32308, 34604, 41567, 48462, 51906, 83134, 96924, 103812, 124701, 166268, 249402, 498804, 1704247, 3408494, 5112741, 6816988, 10225482, 20450964]

約数ペア:

[(1, 20450964), (2, 10225482), (3, 6816988), (4, 5112741), (6, 3408494), (12, 1704247), (41, 498804), (82, 249402), (123, 166268), (164, 124701), (197, 103812), (211, 96924), (246, 83134), (394, 51906), (422, 48462), (492, 41567), (591, 34604), (633, 32308), (788, 25953), (844, 24231), (1182, 17302), (1266, 16154), (2364, 8651), (2532, 8077)]