20486567718

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{68279}}^1$

素因数の和:68577

約数の個数: 48

約数和(自身を含む): 45163123200

約数和(自身を除く): 24676555482

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 211, 237, 422, 474, 633, 711, 1266, 1422, 1899, 3798, 16669, 33338, 50007, 68279, 100014, 136558, 150021, 204837, 300042, 409674, 614511, 1229022, 5394041, 10788082, 14406869, 16182123, 28813738, 32364246, 43220607, 48546369, 86441214, 97092738, 129661821, 259323642, 1138142651, 2276285302, 3414427953, 6828855906, 10243283859, 20486567718]

約数ペア:

[(1, 20486567718), (2, 10243283859), (3, 6828855906), (6, 3414427953), (9, 2276285302), (18, 1138142651), (79, 259323642), (158, 129661821), (211, 97092738), (237, 86441214), (422, 48546369), (474, 43220607), (633, 32364246), (711, 28813738), (1266, 16182123), (1422, 14406869), (1899, 10788082), (3798, 5394041), (16669, 1229022), (33338, 614511), (50007, 409674), (68279, 300042), (100014, 204837), (136558, 150021)]