20611612

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10987}}^1$

素因数の和:11065

約数の個数: 24

約数和(自身を含む): 41842304

約数和(自身を除く): 21230692

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 10987, 21974, 43948, 76909, 153818, 307636, 736129, 1472258, 2944516, 5152903, 10305806, 20611612]

約数ペア:

[(1, 20611612), (2, 10305806), (4, 5152903), (7, 2944516), (14, 1472258), (28, 736129), (67, 307636), (134, 153818), (268, 76909), (469, 43948), (938, 21974), (1876, 10987)]