201622420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{245881}}^1$

素因数の和:245931

約数の個数: 24

約数和(自身を含む): 433735848

約数和(自身を除く): 232113428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 245881, 491762, 983524, 1229405, 2458810, 4917620, 10081121, 20162242, 40324484, 50405605, 100811210, 201622420]

約数ペア:

[(1, 201622420), (2, 100811210), (4, 50405605), (5, 40324484), (10, 20162242), (20, 10081121), (41, 4917620), (82, 2458810), (164, 1229405), (205, 983524), (410, 491762), (820, 245881)]