20700570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 54691200

約数和(自身を除く): 33990630

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 149, 165, 298, 330, 421, 447, 745, 842, 894, 1263, 1490, 1639, 2105, 2235, 2526, 3278, 4210, 4470, 4631, 4917, 6315, 8195, 9262, 9834, 12630, 13893, 16390, 23155, 24585, 27786, 46310, 49170, 62729, 69465, 125458, 138930, 188187, 313645, 376374, 627290, 690019, 940935, 1380038, 1881870, 2070057, 3450095, 4140114, 6900190, 10350285, 20700570]

約数ペア:

[(1, 20700570), (2, 10350285), (3, 6900190), (5, 4140114), (6, 3450095), (10, 2070057), (11, 1881870), (15, 1380038), (22, 940935), (30, 690019), (33, 627290), (55, 376374), (66, 313645), (110, 188187), (149, 138930), (165, 125458), (298, 69465), (330, 62729), (421, 49170), (447, 46310), (745, 27786), (842, 24585), (894, 23155), (1263, 16390), (1490, 13893), (1639, 12630), (2105, 9834), (2235, 9262), (2526, 8195), (3278, 6315), (4210, 4917), (4470, 4631)]