20330456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2267}}^1$

素因数の和:2351

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20493544

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 472, 1121, 2242, 2267, 4484, 4534, 8968, 9068, 18136, 43073, 86146, 133753, 172292, 267506, 344584, 535012, 1070024, 2541307, 5082614, 10165228, 20330456]

約数ペア:

[(1, 20330456), (2, 10165228), (4, 5082614), (8, 2541307), (19, 1070024), (38, 535012), (59, 344584), (76, 267506), (118, 172292), (152, 133753), (236, 86146), (472, 43073), (1121, 18136), (2242, 9068), (2267, 8968), (4484, 4534)]