20485530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17509}}^1$

素因数の和:17535

約数の個数: 48

約数和(自身を含む): 57362760

約数和(自身を除く): 36877230

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17509, 35018, 52527, 87545, 105054, 157581, 175090, 227617, 262635, 315162, 455234, 525270, 682851, 787905, 1138085, 1365702, 1575810, 2048553, 2276170, 3414255, 4097106, 6828510, 10242765, 20485530]

約数ペア:

[(1, 20485530), (2, 10242765), (3, 6828510), (5, 4097106), (6, 3414255), (9, 2276170), (10, 2048553), (13, 1575810), (15, 1365702), (18, 1138085), (26, 787905), (30, 682851), (39, 525270), (45, 455234), (65, 315162), (78, 262635), (90, 227617), (117, 175090), (130, 157581), (195, 105054), (234, 87545), (390, 52527), (585, 35018), (1170, 17509)]