20570392

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 18892808

約数列:

[1, 2, 4, 8, 89, 167, 173, 178, 334, 346, 356, 668, 692, 712, 1336, 1384, 14863, 15397, 28891, 29726, 30794, 57782, 59452, 61588, 115564, 118904, 123176, 231128, 2571299, 5142598, 10285196, 20570392]

約数ペア:

[(1, 20570392), (2, 10285196), (4, 5142598), (8, 2571299), (89, 231128), (167, 123176), (173, 118904), (178, 115564), (334, 61588), (346, 59452), (356, 57782), (668, 30794), (692, 29726), (712, 28891), (1336, 15397), (1384, 14863)]