20189749695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{17291}}^1$

素因数の和:17576

約数の個数: 64

約数和(自身を含む): 36155496960

約数和(自身を除く): 15965747265

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 241, 255, 285, 323, 723, 969, 1205, 1615, 3615, 4097, 4579, 4845, 12291, 13737, 17291, 20485, 22895, 51873, 61455, 68685, 77843, 86455, 233529, 259365, 293947, 328529, 389215, 881841, 985587, 1167645, 1469735, 1642645, 4167131, 4409205, 4927935, 5584993, 12501393, 16754979, 20835655, 27924965, 62506965, 70841227, 79175489, 83774895, 212523681, 237526467, 354206135, 395877445, 1062618405, 1187632335, 1345983313, 4037949939, 6729916565, 20189749695]

約数ペア:

[(1, 20189749695), (3, 6729916565), (5, 4037949939), (15, 1345983313), (17, 1187632335), (19, 1062618405), (51, 395877445), (57, 354206135), (85, 237526467), (95, 212523681), (241, 83774895), (255, 79175489), (285, 70841227), (323, 62506965), (723, 27924965), (969, 20835655), (1205, 16754979), (1615, 12501393), (3615, 5584993), (4097, 4927935), (4579, 4409205), (4845, 4167131), (12291, 1642645), (13737, 1469735), (17291, 1167645), (20485, 985587), (22895, 881841), (51873, 389215), (61455, 328529), (68685, 293947), (77843, 259365), (86455, 233529)]