20085330405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2273}}^1\times {\mathrm{3659}}^1$

素因数の和:5970

約数の個数: 64

約数和(自身を含む): 38351646720

約数和(自身を除く): 18266316315

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2273, 2415, 3659, 6819, 10977, 11365, 15911, 18295, 25613, 34095, 47733, 52279, 54885, 76839, 79555, 84157, 128065, 156837, 238665, 252471, 261395, 365953, 384195, 420785, 589099, 784185, 1097859, 1262355, 1767297, 1829765, 2945495, 5489295, 8316907, 8836485, 24950721, 41584535, 58218349, 124753605, 174655047, 191288861, 291091745, 573866583, 873275235, 956444305, 1339022027, 2869332915, 4017066081, 6695110135, 20085330405]

約数ペア:

[(1, 20085330405), (3, 6695110135), (5, 4017066081), (7, 2869332915), (15, 1339022027), (21, 956444305), (23, 873275235), (35, 573866583), (69, 291091745), (105, 191288861), (115, 174655047), (161, 124753605), (345, 58218349), (483, 41584535), (805, 24950721), (2273, 8836485), (2415, 8316907), (3659, 5489295), (6819, 2945495), (10977, 1829765), (11365, 1767297), (15911, 1262355), (18295, 1097859), (25613, 784185), (34095, 589099), (47733, 420785), (52279, 384195), (54885, 365953), (76839, 261395), (79555, 252471), (84157, 238665), (128065, 156837)]