20214626691

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{30241}}^1$

素因数の和:30619

約数の個数: 32

約数和(自身を含む): 31161356800

約数和(自身を除く): 10946730109

約数列:

[1, 3, 7, 21, 139, 229, 417, 687, 973, 1603, 2919, 4809, 30241, 31831, 90723, 95493, 211687, 222817, 635061, 668451, 4203499, 6925189, 12610497, 20775567, 29424493, 48476323, 88273479, 145428969, 962601271, 2887803813, 6738208897, 20214626691]

約数ペア:

[(1, 20214626691), (3, 6738208897), (7, 2887803813), (21, 962601271), (139, 145428969), (229, 88273479), (417, 48476323), (687, 29424493), (973, 20775567), (1603, 12610497), (2919, 6925189), (4809, 4203499), (30241, 668451), (31831, 635061), (90723, 222817), (95493, 211687)]