20138039999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{8237}}^1\times {\mathrm{31751}}^1$

素因数の和:40006

約数の個数: 16

約数和(自身を含む): 25111005696

約数和(自身を除く): 4972965697

約数列:

[1, 7, 11, 77, 8237, 31751, 57659, 90607, 222257, 349261, 634249, 2444827, 261532987, 1830730909, 2876862857, 20138039999]

約数ペア:

[(1, 20138039999), (7, 2876862857), (11, 1830730909), (77, 261532987), (8237, 2444827), (31751, 634249), (57659, 349261), (90607, 222257)]