20785024

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12491}}^1$

素因数の和:12518

約数の個数: 32

約数和(自身を含む): 44596440

約数和(自身を除く): 23811416

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12491, 24982, 49964, 99928, 162383, 199856, 324766, 399712, 649532, 799424, 1299064, 1598848, 2598128, 5196256, 10392512, 20785024]

約数ペア:

[(1, 20785024), (2, 10392512), (4, 5196256), (8, 2598128), (13, 1598848), (16, 1299064), (26, 799424), (32, 649532), (52, 399712), (64, 324766), (104, 199856), (128, 162383), (208, 99928), (416, 49964), (832, 24982), (1664, 12491)]