20794328745

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{7673}}^1$

素因数の和:7994

約数の個数: 64

約数和(自身を含む): 36113230080

約数和(自身を除く): 15318901335

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 257, 285, 555, 703, 771, 1285, 2109, 3515, 3855, 4883, 7673, 9509, 10545, 14649, 23019, 24415, 28527, 38365, 47545, 73245, 115095, 142635, 145787, 180671, 283901, 437361, 542013, 728935, 851703, 903355, 1419505, 1971961, 2186805, 2710065, 4258515, 5394119, 5915883, 9859805, 16182357, 26970595, 29579415, 37467259, 72962557, 80911785, 112401777, 187336295, 218887671, 364812785, 562008885, 1094438355, 1386288583, 4158865749, 6931442915, 20794328745]

約数ペア:

[(1, 20794328745), (3, 6931442915), (5, 4158865749), (15, 1386288583), (19, 1094438355), (37, 562008885), (57, 364812785), (95, 218887671), (111, 187336295), (185, 112401777), (257, 80911785), (285, 72962557), (555, 37467259), (703, 29579415), (771, 26970595), (1285, 16182357), (2109, 9859805), (3515, 5915883), (3855, 5394119), (4883, 4258515), (7673, 2710065), (9509, 2186805), (10545, 1971961), (14649, 1419505), (23019, 903355), (24415, 851703), (28527, 728935), (38365, 542013), (47545, 437361), (73245, 283901), (115095, 180671), (142635, 145787)]