20199275789

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1289}}^1\times {\mathrm{1801}}^1$

素因数の和:3221

約数の個数: 32

約数和(自身を含む): 25440203520

約数和(自身を除く): 5240927731

約数列:

[1, 7, 11, 77, 113, 791, 1243, 1289, 1801, 8701, 9023, 12607, 14179, 19811, 99253, 138677, 145657, 203513, 1019599, 1424591, 1602227, 2238643, 2321489, 11215589, 15670501, 16250423, 25536379, 178754653, 262328257, 1836297799, 2885610827, 20199275789]

約数ペア:

[(1, 20199275789), (7, 2885610827), (11, 1836297799), (77, 262328257), (113, 178754653), (791, 25536379), (1243, 16250423), (1289, 15670501), (1801, 11215589), (8701, 2321489), (9023, 2238643), (12607, 1602227), (14179, 1424591), (19811, 1019599), (99253, 203513), (138677, 145657)]