20512942528

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{417881}}^1$

素因数の和:417965

約数の個数: 56

約数和(自身を含む): 44579651760

約数和(自身を除く): 24066709232

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 104, 118, 208, 236, 416, 472, 767, 832, 944, 1534, 1888, 3068, 3776, 6136, 12272, 24544, 49088, 417881, 835762, 1671524, 3343048, 5432453, 6686096, 10864906, 13372192, 21729812, 24654979, 26744384, 43459624, 49309958, 86919248, 98619916, 173838496, 197239832, 320514727, 347676992, 394479664, 641029454, 788959328, 1282058908, 1577918656, 2564117816, 5128235632, 10256471264, 20512942528]

約数ペア:

[(1, 20512942528), (2, 10256471264), (4, 5128235632), (8, 2564117816), (13, 1577918656), (16, 1282058908), (26, 788959328), (32, 641029454), (52, 394479664), (59, 347676992), (64, 320514727), (104, 197239832), (118, 173838496), (208, 98619916), (236, 86919248), (416, 49309958), (472, 43459624), (767, 26744384), (832, 24654979), (944, 21729812), (1534, 13372192), (1888, 10864906), (3068, 6686096), (3776, 5432453), (6136, 3343048), (12272, 1671524), (24544, 835762), (49088, 417881)]