20378124

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43543}}^1$

素因数の和:43566

約数の個数: 36

約数和(自身を含む): 55475056

約数和(自身を除く): 35096932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43543, 87086, 130629, 174172, 261258, 391887, 522516, 566059, 783774, 1132118, 1567548, 1698177, 2264236, 3396354, 5094531, 6792708, 10189062, 20378124]

約数ペア:

[(1, 20378124), (2, 10189062), (3, 6792708), (4, 5094531), (6, 3396354), (9, 2264236), (12, 1698177), (13, 1567548), (18, 1132118), (26, 783774), (36, 566059), (39, 522516), (52, 391887), (78, 261258), (117, 174172), (156, 130629), (234, 87086), (468, 43543)]