20218993938

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7855087}}^1$

素因数の和:7855119

約数の個数: 48

約数和(自身を含む): 51466536576

約数和(自身を除く): 31247542638

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 7855087, 15710174, 23565261, 47130522, 70695783, 86405957, 102116131, 141391566, 172811914, 204232262, 259217871, 306348393, 518435742, 612696786, 777653613, 919045179, 1123277441, 1555307226, 1838090358, 2246554882, 3369832323, 6739664646, 10109496969, 20218993938]

約数ペア:

[(1, 20218993938), (2, 10109496969), (3, 6739664646), (6, 3369832323), (9, 2246554882), (11, 1838090358), (13, 1555307226), (18, 1123277441), (22, 919045179), (26, 777653613), (33, 612696786), (39, 518435742), (66, 306348393), (78, 259217871), (99, 204232262), (117, 172811914), (143, 141391566), (198, 102116131), (234, 86405957), (286, 70695783), (429, 47130522), (858, 23565261), (1287, 15710174), (2574, 7855087)]