20121660460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12119}}^1\times {\mathrm{7547}}^1$

素因数の和:19686

約数の個数: 48

約数和(自身を含む): 46106807040

約数和(自身を除く): 25985146580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 7547, 12119, 15094, 24238, 30188, 37735, 48476, 60595, 75470, 83017, 121190, 133309, 150940, 166034, 242380, 266618, 332068, 415085, 533236, 666545, 830170, 1333090, 1660340, 2666180, 91462093, 182924186, 365848372, 457310465, 914620930, 1006083023, 1829241860, 2012166046, 4024332092, 5030415115, 10060830230, 20121660460]

約数ペア:

[(1, 20121660460), (2, 10060830230), (4, 5030415115), (5, 4024332092), (10, 2012166046), (11, 1829241860), (20, 1006083023), (22, 914620930), (44, 457310465), (55, 365848372), (110, 182924186), (220, 91462093), (7547, 2666180), (12119, 1660340), (15094, 1333090), (24238, 830170), (30188, 666545), (37735, 533236), (48476, 415085), (60595, 332068), (75470, 266618), (83017, 242380), (121190, 166034), (133309, 150940)]