20589580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3019}}^1$

素因数の和:3070

約数の個数: 48

約数和(自身を含む): 48706560

約数和(自身を除く): 28116980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3019, 3410, 6038, 6820, 12076, 15095, 30190, 33209, 60380, 66418, 93589, 132836, 166045, 187178, 332090, 374356, 467945, 664180, 935890, 1029479, 1871780, 2058958, 4117916, 5147395, 10294790, 20589580]

約数ペア:

[(1, 20589580), (2, 10294790), (4, 5147395), (5, 4117916), (10, 2058958), (11, 1871780), (20, 1029479), (22, 935890), (31, 664180), (44, 467945), (55, 374356), (62, 332090), (110, 187178), (124, 166045), (155, 132836), (220, 93589), (310, 66418), (341, 60380), (620, 33209), (682, 30190), (1364, 15095), (1705, 12076), (3019, 6820), (3410, 6038)]