20415730

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{11801}}^1$

素因数の和:11981

約数の個数: 16

約数和(自身を含む): 36963864

約数和(自身を除く): 16548134

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 11801, 23602, 59005, 118010, 2041573, 4083146, 10207865, 20415730]

約数ペア:

[(1, 20415730), (2, 10207865), (5, 4083146), (10, 2041573), (173, 118010), (346, 59005), (865, 23602), (1730, 11801)]