20398124

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{919}}^1$

素因数の和:1133

約数の個数: 24

約数和(自身を含む): 37094400

約数和(自身を除く): 16696276

約数列:

[1, 2, 4, 31, 62, 124, 179, 358, 716, 919, 1838, 3676, 5549, 11098, 22196, 28489, 56978, 113956, 164501, 329002, 658004, 5099531, 10199062, 20398124]

約数ペア:

[(1, 20398124), (2, 10199062), (4, 5099531), (31, 658004), (62, 329002), (124, 164501), (179, 113956), (358, 56978), (716, 28489), (919, 22196), (1838, 11098), (3676, 5549)]