22286920

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{883}}^1$

素因数の和:1525

約数の個数: 32

約数和(自身を含む): 50281920

約数和(自身を除く): 27995000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 883, 1262, 1766, 2524, 3155, 3532, 4415, 5048, 6310, 7064, 8830, 12620, 17660, 25240, 35320, 557173, 1114346, 2228692, 2785865, 4457384, 5571730, 11143460, 22286920]

約数ペア:

[(1, 22286920), (2, 11143460), (4, 5571730), (5, 4457384), (8, 2785865), (10, 2228692), (20, 1114346), (40, 557173), (631, 35320), (883, 25240), (1262, 17660), (1766, 12620), (2524, 8830), (3155, 7064), (3532, 6310), (4415, 5048)]