20215701639

素因数分解:

$3^2\times 7^1\times {\mathrm{1607}}^1\times {\mathrm{199679}}^1$

素因数の和:201299

約数の個数: 24

約数和(自身を含む): 33392885760

約数和(自身を除く): 13177184121

約数列:

[1, 3, 7, 9, 21, 63, 1607, 4821, 11249, 14463, 33747, 101241, 199679, 599037, 1397753, 1797111, 4193259, 12579777, 320884153, 962652459, 2246189071, 2887957377, 6738567213, 20215701639]

約数ペア:

[(1, 20215701639), (3, 6738567213), (7, 2887957377), (9, 2246189071), (21, 962652459), (63, 320884153), (1607, 12579777), (4821, 4193259), (11249, 1797111), (14463, 1397753), (33747, 599037), (101241, 199679)]