20953452

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7901}}^1$

素因数の和:7938

約数の個数: 48

約数和(自身を含む): 55756512

約数和(自身を除く): 34803060

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7901, 15802, 23703, 31604, 47406, 94812, 102713, 134317, 205426, 268634, 308139, 402951, 410852, 537268, 616278, 805902, 1232556, 1611804, 1746121, 3492242, 5238363, 6984484, 10476726, 20953452]

約数ペア:

[(1, 20953452), (2, 10476726), (3, 6984484), (4, 5238363), (6, 3492242), (12, 1746121), (13, 1611804), (17, 1232556), (26, 805902), (34, 616278), (39, 537268), (51, 410852), (52, 402951), (68, 308139), (78, 268634), (102, 205426), (156, 134317), (204, 102713), (221, 94812), (442, 47406), (663, 31604), (884, 23703), (1326, 15802), (2652, 7901)]