20187804

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 62563200

約数和(自身を除く): 42375396

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 49, 52, 57, 76, 78, 84, 91, 98, 114, 133, 139, 147, 156, 182, 196, 228, 247, 266, 273, 278, 294, 364, 399, 417, 494, 532, 546, 556, 588, 637, 741, 798, 834, 931, 973, 988, 1092, 1274, 1482, 1596, 1668, 1729, 1807, 1862, 1911, 1946, 2548, 2641, 2793, 2919, 2964, 3458, 3614, 3724, 3822, 3892, 5187, 5282, 5421, 5586, 5838, 6811, 6916, 7228, 7644, 7923, 10374, 10564, 10842, 11172, 11676, 12103, 12649, 13622, 15846, 18487, 20433, 20748, 21684, 24206, 25298, 27244, 31692, 34333, 36309, 36974, 37947, 40866, 48412, 50596, 55461, 68666, 72618, 73948, 75894, 81732, 88543, 102999, 110922, 129409, 137332, 145236, 151788, 177086, 205998, 221844, 240331, 258818, 265629, 354172, 388227, 411996, 480662, 517636, 531258, 720993, 776454, 961324, 1062516, 1441986, 1552908, 1682317, 2883972, 3364634, 5046951, 6729268, 10093902, 20187804]

約数ペア:

[(1, 20187804), (2, 10093902), (3, 6729268), (4, 5046951), (6, 3364634), (7, 2883972), (12, 1682317), (13, 1552908), (14, 1441986), (19, 1062516), (21, 961324), (26, 776454), (28, 720993), (38, 531258), (39, 517636), (42, 480662), (49, 411996), (52, 388227), (57, 354172), (76, 265629), (78, 258818), (84, 240331), (91, 221844), (98, 205998), (114, 177086), (133, 151788), (139, 145236), (147, 137332), (156, 129409), (182, 110922), (196, 102999), (228, 88543), (247, 81732), (266, 75894), (273, 73948), (278, 72618), (294, 68666), (364, 55461), (399, 50596), (417, 48412), (494, 40866), (532, 37947), (546, 36974), (556, 36309), (588, 34333), (637, 31692), (741, 27244), (798, 25298), (834, 24206), (931, 21684), (973, 20748), (988, 20433), (1092, 18487), (1274, 15846), (1482, 13622), (1596, 12649), (1668, 12103), (1729, 11676), (1807, 11172), (1862, 10842), (1911, 10564), (1946, 10374), (2548, 7923), (2641, 7644), (2793, 7228), (2919, 6916), (2964, 6811), (3458, 5838), (3614, 5586), (3724, 5421), (3822, 5282), (3892, 5187)]