20385848

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11743}}^1$

素因数の和:11787

約数の個数: 32

約数和(自身を含む): 45096960

約数和(自身を除く): 24711112

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11743, 23486, 46972, 82201, 93944, 164402, 328804, 364033, 657608, 728066, 1456132, 2548231, 2912264, 5096462, 10192924, 20385848]

約数ペア:

[(1, 20385848), (2, 10192924), (4, 5096462), (7, 2912264), (8, 2548231), (14, 1456132), (28, 728066), (31, 657608), (56, 364033), (62, 328804), (124, 164402), (217, 93944), (248, 82201), (434, 46972), (868, 23486), (1736, 11743)]