20721132

素因数分解:

$2^2\times 3^2\times {\mathrm{149}}^1\times {\mathrm{3863}}^1$

素因数の和:4022

約数の個数: 36

約数和(自身を含む): 52743600

約数和(自身を除く): 32022468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 149, 298, 447, 596, 894, 1341, 1788, 2682, 3863, 5364, 7726, 11589, 15452, 23178, 34767, 46356, 69534, 139068, 575587, 1151174, 1726761, 2302348, 3453522, 5180283, 6907044, 10360566, 20721132]

約数ペア:

[(1, 20721132), (2, 10360566), (3, 6907044), (4, 5180283), (6, 3453522), (9, 2302348), (12, 1726761), (18, 1151174), (36, 575587), (149, 139068), (298, 69534), (447, 46356), (596, 34767), (894, 23178), (1341, 15452), (1788, 11589), (2682, 7726), (3863, 5364)]