20587222

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11527}}^1$

素因数の和:11595

約数の個数: 16

約数和(自身を含む): 33200640

約数和(自身を除く): 12613418

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 11527, 23054, 219013, 438026, 541769, 1083538, 10293611, 20587222]

約数ペア:

[(1, 20587222), (2, 10293611), (19, 1083538), (38, 541769), (47, 438026), (94, 219013), (893, 23054), (1786, 11527)]