20811765957

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{209959}}^1$

素因数の和:210065

約数の個数: 32

約数和(自身を含む): 30637363200

約数和(自身を除く): 9825597243

約数列:

[1, 3, 19, 37, 47, 57, 111, 141, 703, 893, 1739, 2109, 2679, 5217, 33041, 99123, 209959, 629877, 3989221, 7768483, 9868073, 11967663, 23305449, 29604219, 147601177, 187493387, 365118701, 442803531, 562480161, 1095356103, 6937255319, 20811765957]

約数ペア:

[(1, 20811765957), (3, 6937255319), (19, 1095356103), (37, 562480161), (47, 442803531), (57, 365118701), (111, 187493387), (141, 147601177), (703, 29604219), (893, 23305449), (1739, 11967663), (2109, 9868073), (2679, 7768483), (5217, 3989221), (33041, 629877), (99123, 209959)]