20197513979

素因数分解:

${\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{653}}^1\times {\mathrm{4357}}^1$

素因数の和:5270

約数の個数: 16

約数和(自身を含む): 20976971520

約数和(自身を除く): 779457541

約数列:

[1, 31, 229, 653, 4357, 7099, 20243, 135067, 149537, 997753, 2845121, 4635647, 30930343, 88198751, 651532709, 20197513979]

約数ペア:

[(1, 20197513979), (31, 651532709), (229, 88198751), (653, 30930343), (4357, 4635647), (7099, 2845121), (20243, 997753), (135067, 149537)]