20215431411

素因数分解:

$3^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1087}}^1\times {\mathrm{1619}}^1$

素因数の和:3263

約数の個数: 32

約数和(自身を含む): 30908252160

約数和(自身を除く): 10692820749

約数列:

[1, 3, 7, 21, 547, 1087, 1619, 1641, 3261, 3829, 4857, 7609, 11333, 11487, 22827, 33999, 594589, 885593, 1759853, 1783767, 2656779, 4162123, 5279559, 6199151, 12318971, 12486369, 18597453, 36956913, 962639591, 2887918773, 6738477137, 20215431411]

約数ペア:

[(1, 20215431411), (3, 6738477137), (7, 2887918773), (21, 962639591), (547, 36956913), (1087, 18597453), (1619, 12486369), (1641, 12318971), (3261, 6199151), (3829, 5279559), (4857, 4162123), (7609, 2656779), (11333, 1783767), (11487, 1759853), (22827, 885593), (33999, 594589)]