20156682

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 54835200

約数和(自身を除く): 34678518

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 29, 38, 39, 42, 57, 58, 67, 78, 87, 91, 114, 133, 134, 174, 182, 201, 203, 247, 266, 273, 377, 399, 402, 406, 469, 494, 546, 551, 609, 741, 754, 798, 871, 938, 1102, 1131, 1218, 1273, 1407, 1482, 1653, 1729, 1742, 1943, 2262, 2546, 2613, 2639, 2814, 3306, 3458, 3819, 3857, 3886, 5187, 5226, 5278, 5829, 6097, 7163, 7638, 7714, 7917, 8911, 10374, 11571, 11658, 12194, 13601, 14326, 15834, 16549, 17822, 18291, 21489, 23142, 25259, 26733, 27202, 33098, 36582, 36917, 40803, 42978, 49647, 50141, 50518, 53466, 73834, 75777, 81606, 99294, 100282, 110751, 115843, 150423, 151554, 176813, 221502, 231686, 258419, 300846, 347529, 353626, 479921, 516838, 530439, 695058, 775257, 959842, 1060878, 1439763, 1550514, 2879526, 3359447, 6718894, 10078341, 20156682]

約数ペア:

[(1, 20156682), (2, 10078341), (3, 6718894), (6, 3359447), (7, 2879526), (13, 1550514), (14, 1439763), (19, 1060878), (21, 959842), (26, 775257), (29, 695058), (38, 530439), (39, 516838), (42, 479921), (57, 353626), (58, 347529), (67, 300846), (78, 258419), (87, 231686), (91, 221502), (114, 176813), (133, 151554), (134, 150423), (174, 115843), (182, 110751), (201, 100282), (203, 99294), (247, 81606), (266, 75777), (273, 73834), (377, 53466), (399, 50518), (402, 50141), (406, 49647), (469, 42978), (494, 40803), (546, 36917), (551, 36582), (609, 33098), (741, 27202), (754, 26733), (798, 25259), (871, 23142), (938, 21489), (1102, 18291), (1131, 17822), (1218, 16549), (1273, 15834), (1407, 14326), (1482, 13601), (1653, 12194), (1729, 11658), (1742, 11571), (1943, 10374), (2262, 8911), (2546, 7917), (2613, 7714), (2639, 7638), (2814, 7163), (3306, 6097), (3458, 5829), (3819, 5278), (3857, 5226), (3886, 5187)]