20950084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4519}}^1$

素因数の和:4603

約数の個数: 24

約数和(自身を含む): 39233600

約数和(自身を除く): 18283516

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4519, 4636, 9038, 18076, 85861, 171722, 275659, 343444, 551318, 1102636, 5237521, 10475042, 20950084]

約数ペア:

[(1, 20950084), (2, 10475042), (4, 5237521), (19, 1102636), (38, 551318), (61, 343444), (76, 275659), (122, 171722), (244, 85861), (1159, 18076), (2318, 9038), (4519, 4636)]