20370645

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 36966384

約数和(自身を除く): 16595739

約数列:

[1, 3, 5, 9, 15, 41, 45, 61, 123, 181, 183, 205, 305, 369, 543, 549, 615, 905, 915, 1629, 1845, 2501, 2715, 2745, 7421, 7503, 8145, 11041, 12505, 22263, 22509, 33123, 37105, 37515, 55205, 66789, 99369, 111315, 112545, 165615, 333945, 452681, 496845, 1358043, 2263405, 4074129, 6790215, 20370645]

約数ペア:

[(1, 20370645), (3, 6790215), (5, 4074129), (9, 2263405), (15, 1358043), (41, 496845), (45, 452681), (61, 333945), (123, 165615), (181, 112545), (183, 111315), (205, 99369), (305, 66789), (369, 55205), (543, 37515), (549, 37105), (615, 33123), (905, 22509), (915, 22263), (1629, 12505), (1845, 11041), (2501, 8145), (2715, 7503), (2745, 7421)]