20891239044

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133918199}}^1$

素因数の和:133918219

約数の個数: 24

約数和(自身を含む): 52495934400

約数和(自身を除く): 31604695356

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133918199, 267836398, 401754597, 535672796, 803509194, 1607018388, 1740936587, 3481873174, 5222809761, 6963746348, 10445619522, 20891239044]

約数ペア:

[(1, 20891239044), (2, 10445619522), (3, 6963746348), (4, 5222809761), (6, 3481873174), (12, 1740936587), (13, 1607018388), (26, 803509194), (39, 535672796), (52, 401754597), (78, 267836398), (156, 133918199)]