20537704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{557}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 42184800

約数和(自身を除く): 21647096

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 419, 557, 838, 1114, 1676, 2228, 3352, 4456, 4609, 6127, 9218, 12254, 18436, 24508, 36872, 49016, 233383, 466766, 933532, 1867064, 2567213, 5134426, 10268852, 20537704]

約数ペア:

[(1, 20537704), (2, 10268852), (4, 5134426), (8, 2567213), (11, 1867064), (22, 933532), (44, 466766), (88, 233383), (419, 49016), (557, 36872), (838, 24508), (1114, 18436), (1676, 12254), (2228, 9218), (3352, 6127), (4456, 4609)]