20783796976

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{457}}^1\times {\mathrm{7307}}^1$

素因数の和:8161

約数の個数: 40

約数和(自身を含む): 40466003760

約数和(自身を除く): 19682206784

約数列:

[1, 2, 4, 8, 16, 389, 457, 778, 914, 1556, 1828, 3112, 3656, 6224, 7307, 7312, 14614, 29228, 58456, 116912, 177773, 355546, 711092, 1422184, 2842423, 2844368, 3339299, 5684846, 6678598, 11369692, 13357196, 22739384, 26714392, 45478768, 53428784, 1298987311, 2597974622, 5195949244, 10391898488, 20783796976]

約数ペア:

[(1, 20783796976), (2, 10391898488), (4, 5195949244), (8, 2597974622), (16, 1298987311), (389, 53428784), (457, 45478768), (778, 26714392), (914, 22739384), (1556, 13357196), (1828, 11369692), (3112, 6678598), (3656, 5684846), (6224, 3339299), (7307, 2844368), (7312, 2842423), (14614, 1422184), (29228, 711092), (58456, 355546), (116912, 177773)]