20404921605

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13207069}}^1$

素因数の和:13207180

約数の個数: 16

約数和(自身を含む): 32964846720

約数和(自身を除く): 12559925115

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 13207069, 39621207, 66035345, 198106035, 1360328107, 4080984321, 6801640535, 20404921605]

約数ペア:

[(1, 20404921605), (3, 6801640535), (5, 4080984321), (15, 1360328107), (103, 198106035), (309, 66035345), (515, 39621207), (1545, 13207069)]