20180875967

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{15263}}^1$

素因数の和:15599

約数の個数: 32

約数和(自身を含む): 25110134784

約数和(自身を除く): 4929258817

約数列:

[1, 7, 17, 41, 119, 271, 287, 697, 1897, 4607, 4879, 11111, 15263, 32249, 77777, 106841, 188887, 259471, 625783, 1322209, 1816297, 4136273, 4380481, 10638311, 28953911, 70316641, 74468177, 169587193, 492216487, 1187110351, 2882982281, 20180875967]

約数ペア:

[(1, 20180875967), (7, 2882982281), (17, 1187110351), (41, 492216487), (119, 169587193), (271, 74468177), (287, 70316641), (697, 28953911), (1897, 10638311), (4607, 4380481), (4879, 4136273), (11111, 1816297), (15263, 1322209), (32249, 625783), (77777, 259471), (106841, 188887)]