20404530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1187}}^1$

素因数の和:1391

約数の個数: 48

約数和(自身を含む): 53374464

約数和(自身を除く): 32969934

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 191, 382, 573, 955, 1146, 1187, 1719, 1910, 2374, 2865, 3438, 3561, 5730, 5935, 7122, 8595, 10683, 11870, 17190, 17805, 21366, 35610, 53415, 106830, 226717, 453434, 680151, 1133585, 1360302, 2040453, 2267170, 3400755, 4080906, 6801510, 10202265, 20404530]

約数ペア:

[(1, 20404530), (2, 10202265), (3, 6801510), (5, 4080906), (6, 3400755), (9, 2267170), (10, 2040453), (15, 1360302), (18, 1133585), (30, 680151), (45, 453434), (90, 226717), (191, 106830), (382, 53415), (573, 35610), (955, 21366), (1146, 17805), (1187, 17190), (1719, 11870), (1910, 10683), (2374, 8595), (2865, 7122), (3438, 5935), (3561, 5730)]