147896020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{180361}}^1$

素因数の和:180411

約数の個数: 24

約数和(自身を含む): 318158568

約数和(自身を除く): 170262548

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 180361, 360722, 721444, 901805, 1803610, 3607220, 7394801, 14789602, 29579204, 36974005, 73948010, 147896020]

約数ペア:

[(1, 147896020), (2, 73948010), (4, 36974005), (5, 29579204), (10, 14789602), (20, 7394801), (41, 3607220), (82, 1803610), (164, 901805), (205, 721444), (410, 360722), (820, 180361)]