20839599

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 35777280

約数和(自身を除く): 14937681

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 891, 1231, 1539, 1881, 3693, 5643, 11079, 13541, 16929, 23389, 33237, 40623, 70167, 99711, 121869, 210501, 257279, 365607, 631503, 771837, 1096821, 1894509, 2315511, 6946533, 20839599]

約数ペア:

[(1, 20839599), (3, 6946533), (9, 2315511), (11, 1894509), (19, 1096821), (27, 771837), (33, 631503), (57, 365607), (81, 257279), (99, 210501), (171, 121869), (209, 99711), (297, 70167), (513, 40623), (627, 33237), (891, 23389), (1231, 16929), (1539, 13541), (1881, 11079), (3693, 5643)]