20455770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10177}}^1$

素因数の和:10254

約数の個数: 32

約数和(自身を含む): 49831488

約数和(自身を除く): 29375718

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10177, 20354, 30531, 50885, 61062, 101770, 152655, 305310, 681859, 1363718, 2045577, 3409295, 4091154, 6818590, 10227885, 20455770]

約数ペア:

[(1, 20455770), (2, 10227885), (3, 6818590), (5, 4091154), (6, 3409295), (10, 2045577), (15, 1363718), (30, 681859), (67, 305310), (134, 152655), (201, 101770), (335, 61062), (402, 50885), (670, 30531), (1005, 20354), (2010, 10177)]