20173088

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:777

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 23263648

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 683, 923, 1136, 1366, 1846, 2272, 2732, 3692, 5464, 7384, 8879, 10928, 14768, 17758, 21856, 29536, 35516, 48493, 71032, 96986, 142064, 193972, 284128, 387944, 630409, 775888, 1260818, 1551776, 2521636, 5043272, 10086544, 20173088]

約数ペア:

[(1, 20173088), (2, 10086544), (4, 5043272), (8, 2521636), (13, 1551776), (16, 1260818), (26, 775888), (32, 630409), (52, 387944), (71, 284128), (104, 193972), (142, 142064), (208, 96986), (284, 71032), (416, 48493), (568, 35516), (683, 29536), (923, 21856), (1136, 17758), (1366, 14768), (1846, 10928), (2272, 8879), (2732, 7384), (3692, 5464)]