20285400965

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{859}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 26942630400

約数和(自身を除く): 6657229435

約数列:

[1, 5, 23, 29, 73, 97, 115, 145, 365, 485, 667, 859, 1679, 2117, 2231, 2813, 3335, 4295, 7081, 8395, 10585, 11155, 14065, 19757, 24911, 35405, 48691, 62707, 64699, 83323, 98785, 124555, 162863, 205349, 243455, 313535, 323495, 416615, 572953, 814315, 1026745, 1442261, 1818503, 1916429, 2416367, 2864765, 4723027, 6082579, 7211305, 9092515, 9582145, 12081835, 23615135, 30412895, 41825569, 55576441, 139899317, 176394791, 209127845, 277882205, 699496585, 881973955, 4057080193, 20285400965]

約数ペア:

[(1, 20285400965), (5, 4057080193), (23, 881973955), (29, 699496585), (73, 277882205), (97, 209127845), (115, 176394791), (145, 139899317), (365, 55576441), (485, 41825569), (667, 30412895), (859, 23615135), (1679, 12081835), (2117, 9582145), (2231, 9092515), (2813, 7211305), (3335, 6082579), (4295, 4723027), (7081, 2864765), (8395, 2416367), (10585, 1916429), (11155, 1818503), (14065, 1442261), (19757, 1026745), (24911, 814315), (35405, 572953), (48691, 416615), (62707, 323495), (64699, 313535), (83323, 243455), (98785, 205349), (124555, 162863)]