20295108

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 54233088

約数和(自身を除く): 33937980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 127, 138, 193, 207, 254, 276, 381, 386, 414, 508, 579, 762, 772, 828, 1143, 1158, 1524, 1737, 2286, 2316, 2921, 3474, 4439, 4572, 5842, 6948, 8763, 8878, 11684, 13317, 17526, 17756, 24511, 26289, 26634, 35052, 39951, 49022, 52578, 53268, 73533, 79902, 98044, 105156, 147066, 159804, 220599, 294132, 441198, 563753, 882396, 1127506, 1691259, 2255012, 3382518, 5073777, 6765036, 10147554, 20295108]

約数ペア:

[(1, 20295108), (2, 10147554), (3, 6765036), (4, 5073777), (6, 3382518), (9, 2255012), (12, 1691259), (18, 1127506), (23, 882396), (36, 563753), (46, 441198), (69, 294132), (92, 220599), (127, 159804), (138, 147066), (193, 105156), (207, 98044), (254, 79902), (276, 73533), (381, 53268), (386, 52578), (414, 49022), (508, 39951), (579, 35052), (762, 26634), (772, 26289), (828, 24511), (1143, 17756), (1158, 17526), (1524, 13317), (1737, 11684), (2286, 8878), (2316, 8763), (2921, 6948), (3474, 5842), (4439, 4572)]