20131027084

素因数分解:

$2^2\times 7^1\times {\mathrm{15913}}^1\times {\mathrm{45181}}^1$

素因数の和:61105

約数の個数: 24

約数和(自身を含む): 40265475488

約数和(自身を除く): 20134448404

約数列:

[1, 2, 4, 7, 14, 28, 15913, 31826, 45181, 63652, 90362, 111391, 180724, 222782, 316267, 445564, 632534, 1265068, 718965253, 1437930506, 2875861012, 5032756771, 10065513542, 20131027084]

約数ペア:

[(1, 20131027084), (2, 10065513542), (4, 5032756771), (7, 2875861012), (14, 1437930506), (28, 718965253), (15913, 1265068), (31826, 632534), (45181, 445564), (63652, 316267), (90362, 222782), (111391, 180724)]