20010996

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 55193600

約数和(自身を除く): 35182604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 43, 54, 62, 86, 93, 108, 124, 129, 139, 172, 186, 258, 278, 279, 372, 387, 417, 516, 556, 558, 774, 834, 837, 1116, 1161, 1251, 1333, 1548, 1668, 1674, 2322, 2502, 2666, 3348, 3753, 3999, 4309, 4644, 5004, 5332, 5977, 7506, 7998, 8618, 11954, 11997, 12927, 15012, 15996, 17236, 17931, 23908, 23994, 25854, 35862, 35991, 38781, 47988, 51708, 53793, 71724, 71982, 77562, 107586, 116343, 143964, 155124, 161379, 185287, 215172, 232686, 322758, 370574, 465372, 555861, 645516, 741148, 1111722, 1667583, 2223444, 3335166, 5002749, 6670332, 10005498, 20010996]

約数ペア:

[(1, 20010996), (2, 10005498), (3, 6670332), (4, 5002749), (6, 3335166), (9, 2223444), (12, 1667583), (18, 1111722), (27, 741148), (31, 645516), (36, 555861), (43, 465372), (54, 370574), (62, 322758), (86, 232686), (93, 215172), (108, 185287), (124, 161379), (129, 155124), (139, 143964), (172, 116343), (186, 107586), (258, 77562), (278, 71982), (279, 71724), (372, 53793), (387, 51708), (417, 47988), (516, 38781), (556, 35991), (558, 35862), (774, 25854), (834, 23994), (837, 23908), (1116, 17931), (1161, 17236), (1251, 15996), (1333, 15012), (1548, 12927), (1668, 11997), (1674, 11954), (2322, 8618), (2502, 7998), (2666, 7506), (3348, 5977), (3753, 5332), (3999, 5004), (4309, 4644)]