20388474

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{66629}}^1$

素因数の和:66654

約数の個数: 24

約数和(自身を含む): 46774260

約数和(自身を除く): 26385786

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 66629, 133258, 199887, 399774, 599661, 1132693, 1199322, 2265386, 3398079, 6796158, 10194237, 20388474]

約数ペア:

[(1, 20388474), (2, 10194237), (3, 6796158), (6, 3398079), (9, 2265386), (17, 1199322), (18, 1132693), (34, 599661), (51, 399774), (102, 199887), (153, 133258), (306, 66629)]