20587266

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1499}}^1$

素因数の和:1623

約数の個数: 48

約数和(自身を含む): 51480000

約数和(自身を除く): 30892734

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1499, 1526, 1962, 2289, 2998, 4497, 4578, 6867, 8994, 10493, 13491, 13734, 20986, 26982, 31479, 62958, 94437, 163391, 188874, 326782, 490173, 980346, 1143737, 1470519, 2287474, 2941038, 3431211, 6862422, 10293633, 20587266]

約数ペア:

[(1, 20587266), (2, 10293633), (3, 6862422), (6, 3431211), (7, 2941038), (9, 2287474), (14, 1470519), (18, 1143737), (21, 980346), (42, 490173), (63, 326782), (109, 188874), (126, 163391), (218, 94437), (327, 62958), (654, 31479), (763, 26982), (981, 20986), (1499, 13734), (1526, 13491), (1962, 10493), (2289, 8994), (2998, 6867), (4497, 4578)]