20236265

素因数分解:

$5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{547}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 28487232

約数和(自身を除く): 8250967

約数列:

[1, 5, 7, 35, 49, 151, 245, 547, 755, 1057, 2735, 3829, 5285, 7399, 19145, 26803, 36995, 82597, 134015, 412985, 578179, 2890895, 4047253, 20236265]

約数ペア:

[(1, 20236265), (5, 4047253), (7, 2890895), (35, 578179), (49, 412985), (151, 134015), (245, 82597), (547, 36995), (755, 26803), (1057, 19145), (2735, 7399), (3829, 5285)]