20121479118

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{3691}}^1\times {\mathrm{23297}}^1$

素因数の和:27009

約数の個数: 48

約数和(自身を含む): 46964853936

約数和(自身を除く): 26843374818

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 3691, 7382, 11073, 22146, 23297, 33219, 46594, 47983, 66438, 69891, 95966, 139782, 143949, 209673, 287898, 302861, 419346, 431847, 605722, 863694, 908583, 1817166, 2725749, 5451498, 85989227, 171978454, 257967681, 515935362, 773903043, 1117859951, 1547806086, 2235719902, 3353579853, 6707159706, 10060739559, 20121479118]

約数ペア:

[(1, 20121479118), (2, 10060739559), (3, 6707159706), (6, 3353579853), (9, 2235719902), (13, 1547806086), (18, 1117859951), (26, 773903043), (39, 515935362), (78, 257967681), (117, 171978454), (234, 85989227), (3691, 5451498), (7382, 2725749), (11073, 1817166), (22146, 908583), (23297, 863694), (33219, 605722), (46594, 431847), (47983, 419346), (66438, 302861), (69891, 287898), (95966, 209673), (139782, 143949)]