20316868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3229}}^1$

素因数の和:3268

約数の個数: 36

約数和(自身を含む): 42099820

約数和(自身を除く): 21782952

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 3229, 6292, 6458, 12916, 35519, 41977, 71038, 83954, 142076, 167908, 390709, 461747, 781418, 923494, 1562836, 1846988, 5079217, 10158434, 20316868]

約数ペア:

[(1, 20316868), (2, 10158434), (4, 5079217), (11, 1846988), (13, 1562836), (22, 923494), (26, 781418), (44, 461747), (52, 390709), (121, 167908), (143, 142076), (242, 83954), (286, 71038), (484, 41977), (572, 35519), (1573, 12916), (3146, 6458), (3229, 6292)]