20663265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2371}}^1$

素因数の和:2469

約数の個数: 32

約数和(自身を含む): 38255616

約数和(自身を除く): 17592351

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 415, 581, 1245, 1743, 2371, 2905, 7113, 8715, 11855, 16597, 35565, 49791, 82985, 196793, 248955, 590379, 983965, 1377551, 2951895, 4132653, 6887755, 20663265]

約数ペア:

[(1, 20663265), (3, 6887755), (5, 4132653), (7, 2951895), (15, 1377551), (21, 983965), (35, 590379), (83, 248955), (105, 196793), (249, 82985), (415, 49791), (581, 35565), (1245, 16597), (1743, 11855), (2371, 8715), (2905, 7113)]