20291565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1297}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 37382400

約数和(自身を除く): 17090835

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 1297, 2235, 3129, 3891, 5215, 6485, 9079, 15645, 19455, 27237, 45395, 136185, 193253, 579759, 966265, 1352771, 2898795, 4058313, 6763855, 20291565]

約数ペア:

[(1, 20291565), (3, 6763855), (5, 4058313), (7, 2898795), (15, 1352771), (21, 966265), (35, 579759), (105, 193253), (149, 136185), (447, 45395), (745, 27237), (1043, 19455), (1297, 15645), (2235, 9079), (3129, 6485), (3891, 5215)]