20508729417

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{123973}}^1$

素因数の和:124550

約数の個数: 32

約数和(自身を含む): 33205196160

約数和(自身を除く): 12696466743

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 557, 1671, 5013, 6127, 15039, 18381, 55143, 123973, 165429, 371919, 1115757, 1363703, 3347271, 4091109, 12273327, 36819981, 69052961, 207158883, 621476649, 759582571, 1864429947, 2278747713, 6836243139, 20508729417]

約数ペア:

[(1, 20508729417), (3, 6836243139), (9, 2278747713), (11, 1864429947), (27, 759582571), (33, 621476649), (99, 207158883), (297, 69052961), (557, 36819981), (1671, 12273327), (5013, 4091109), (6127, 3347271), (15039, 1363703), (18381, 1115757), (55143, 371919), (123973, 165429)]