20121207476

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{2437}}^1$

素因数の和:2840

約数の個数: 48

約数和(自身を含む): 36095818752

約数和(自身を除く): 15974611276

約数列:

[1, 2, 4, 101, 107, 191, 202, 214, 382, 404, 428, 764, 2437, 4874, 9748, 10807, 19291, 20437, 21614, 38582, 40874, 43228, 77164, 81748, 246137, 260759, 465467, 492274, 521518, 930934, 984548, 1043036, 1861868, 2064137, 4128274, 8256548, 26336659, 47012167, 49804969, 52673318, 94024334, 99609938, 105346636, 188048668, 199219876, 5030301869, 10060603738, 20121207476]

約数ペア:

[(1, 20121207476), (2, 10060603738), (4, 5030301869), (101, 199219876), (107, 188048668), (191, 105346636), (202, 99609938), (214, 94024334), (382, 52673318), (404, 49804969), (428, 47012167), (764, 26336659), (2437, 8256548), (4874, 4128274), (9748, 2064137), (10807, 1861868), (19291, 1043036), (20437, 984548), (21614, 930934), (38582, 521518), (40874, 492274), (43228, 465467), (77164, 260759), (81748, 246137)]