20141216

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 42204960

約数和(自身を除く): 22063744

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 157, 211, 304, 314, 422, 608, 628, 844, 1256, 1688, 2512, 2983, 3376, 4009, 5024, 5966, 6752, 8018, 11932, 16036, 23864, 32072, 33127, 47728, 64144, 66254, 95456, 128288, 132508, 265016, 530032, 629413, 1060064, 1258826, 2517652, 5035304, 10070608, 20141216]

約数ペア:

[(1, 20141216), (2, 10070608), (4, 5035304), (8, 2517652), (16, 1258826), (19, 1060064), (32, 629413), (38, 530032), (76, 265016), (152, 132508), (157, 128288), (211, 95456), (304, 66254), (314, 64144), (422, 47728), (608, 33127), (628, 32072), (844, 23864), (1256, 16036), (1688, 11932), (2512, 8018), (2983, 6752), (3376, 5966), (4009, 5024)]