20085195430

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4153}}^1\times {\mathrm{15601}}^1$

素因数の和:19792

約数の個数: 32

約数和(自身を含む): 37330967808

約数和(自身を除く): 17245772378

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 4153, 8306, 15601, 20765, 31202, 41530, 78005, 128743, 156010, 257486, 483631, 643715, 967262, 1287430, 2418155, 4836310, 64790953, 129581906, 323954765, 647909530, 2008519543, 4017039086, 10042597715, 20085195430]

約数ペア:

[(1, 20085195430), (2, 10042597715), (5, 4017039086), (10, 2008519543), (31, 647909530), (62, 323954765), (155, 129581906), (310, 64790953), (4153, 4836310), (8306, 2418155), (15601, 1287430), (20765, 967262), (31202, 643715), (41530, 483631), (78005, 257486), (128743, 156010)]