20431515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3613}}^1$

素因数の和:3663

約数の個数: 32

約数和(自身を含む): 36429120

約数和(自身を除く): 15997605

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 3613, 5655, 10839, 18065, 46969, 54195, 104777, 140907, 234845, 314331, 523885, 704535, 1362101, 1571655, 4086303, 6810505, 20431515]

約数ペア:

[(1, 20431515), (3, 6810505), (5, 4086303), (13, 1571655), (15, 1362101), (29, 704535), (39, 523885), (65, 314331), (87, 234845), (145, 140907), (195, 104777), (377, 54195), (435, 46969), (1131, 18065), (1885, 10839), (3613, 5655)]