20330057

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 24259200

約数和(自身を除く): 3929143

約数列:

[1, 11, 19, 37, 121, 209, 239, 407, 703, 2299, 2629, 4477, 4541, 7733, 8843, 28919, 49951, 85063, 97273, 168017, 549461, 1070003, 1848187, 20330057]

約数ペア:

[(1, 20330057), (11, 1848187), (19, 1070003), (37, 549461), (121, 168017), (209, 97273), (239, 85063), (407, 49951), (703, 28919), (2299, 8843), (2629, 7733), (4477, 4541)]