20696244

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2111}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 52039680

約数和(自身を除く): 31343436

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2111, 2451, 3268, 4222, 4902, 6333, 8444, 9804, 12666, 25332, 40109, 80218, 90773, 120327, 160436, 181546, 240654, 272319, 363092, 481308, 544638, 1089276, 1724687, 3449374, 5174061, 6898748, 10348122, 20696244]

約数ペア:

[(1, 20696244), (2, 10348122), (3, 6898748), (4, 5174061), (6, 3449374), (12, 1724687), (19, 1089276), (38, 544638), (43, 481308), (57, 363092), (76, 272319), (86, 240654), (114, 181546), (129, 160436), (172, 120327), (228, 90773), (258, 80218), (516, 40109), (817, 25332), (1634, 12666), (2111, 9804), (2451, 8444), (3268, 6333), (4222, 4902)]