20254728

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{64919}}^1$

素因数の和:64941

約数の個数: 32

約数和(自身を含む): 54532800

約数和(自身を除く): 34278072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 64919, 129838, 194757, 259676, 389514, 519352, 779028, 843947, 1558056, 1687894, 2531841, 3375788, 5063682, 6751576, 10127364, 20254728]

約数ペア:

[(1, 20254728), (2, 10127364), (3, 6751576), (4, 5063682), (6, 3375788), (8, 2531841), (12, 1687894), (13, 1558056), (24, 843947), (26, 779028), (39, 519352), (52, 389514), (78, 259676), (104, 194757), (156, 129838), (312, 64919)]