20120155988

素因数分解:

$2^2\times {\mathrm{769}}^1\times {\mathrm{1249}}^1\times {\mathrm{5237}}^1$

素因数の和:7259

約数の個数: 24

約数和(自身を含む): 35291025000

約数和(自身を除く): 15170869012

約数列:

[1, 2, 4, 769, 1249, 1538, 2498, 3076, 4996, 5237, 10474, 20948, 960481, 1920962, 3841924, 4027253, 6541013, 8054506, 13082026, 16109012, 26164052, 5030038997, 10060077994, 20120155988]

約数ペア:

[(1, 20120155988), (2, 10060077994), (4, 5030038997), (769, 26164052), (1249, 16109012), (1538, 13082026), (2498, 8054506), (3076, 6541013), (4996, 4027253), (5237, 3841924), (10474, 1920962), (20948, 960481)]