20269953

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 12792447

約数列:

[1, 3, 9, 11, 27, 33, 99, 139, 297, 417, 491, 1251, 1473, 1529, 3753, 4419, 4587, 5401, 13257, 13761, 16203, 41283, 48609, 68249, 145827, 204747, 614241, 750739, 1842723, 2252217, 6756651, 20269953]

約数ペア:

[(1, 20269953), (3, 6756651), (9, 2252217), (11, 1842723), (27, 750739), (33, 614241), (99, 204747), (139, 145827), (297, 68249), (417, 48609), (491, 41283), (1251, 16203), (1473, 13761), (1529, 13257), (3753, 5401), (4419, 4587)]