20120855480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45729217}}^1$

素因数の和:45729239

約数の個数: 32

約数和(自身を含む): 49387555440

約数和(自身を除く): 29266699960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45729217, 91458434, 182916868, 228646085, 365833736, 457292170, 503021387, 914584340, 1006042774, 1829168680, 2012085548, 2515106935, 4024171096, 5030213870, 10060427740, 20120855480]

約数ペア:

[(1, 20120855480), (2, 10060427740), (4, 5030213870), (5, 4024171096), (8, 2515106935), (10, 2012085548), (11, 1829168680), (20, 1006042774), (22, 914584340), (40, 503021387), (44, 457292170), (55, 365833736), (88, 228646085), (110, 182916868), (220, 91458434), (440, 45729217)]