20791635590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{20261}}^1$

素因数の和:20789

約数の個数: 64

約数和(自身を含む): 43065665280

約数和(自身を除く): 22274029690

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 491, 982, 1045, 2090, 2455, 4910, 5401, 9329, 10802, 18658, 20261, 27005, 40522, 46645, 54010, 93290, 101305, 102619, 202610, 205238, 222871, 384959, 445742, 513095, 769918, 1026190, 1114355, 1924795, 2228710, 3849590, 4234549, 8469098, 9948151, 19896302, 21172745, 42345490, 49740755, 99481510, 109429661, 189014869, 218859322, 378029738, 547148305, 945074345, 1094296610, 1890148690, 2079163559, 4158327118, 10395817795, 20791635590]

約数ペア:

[(1, 20791635590), (2, 10395817795), (5, 4158327118), (10, 2079163559), (11, 1890148690), (19, 1094296610), (22, 945074345), (38, 547148305), (55, 378029738), (95, 218859322), (110, 189014869), (190, 109429661), (209, 99481510), (418, 49740755), (491, 42345490), (982, 21172745), (1045, 19896302), (2090, 9948151), (2455, 8469098), (4910, 4234549), (5401, 3849590), (9329, 2228710), (10802, 1924795), (18658, 1114355), (20261, 1026190), (27005, 769918), (40522, 513095), (46645, 445742), (54010, 384959), (93290, 222871), (101305, 205238), (102619, 202610)]