20721246

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37951}}^1$

素因数の和:37976

約数の個数: 32

約数和(自身を含む): 51007488

約数和(自身を除く): 30286242

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 37951, 75902, 113853, 227706, 265657, 493363, 531314, 796971, 986726, 1480089, 1593942, 2960178, 3453541, 6907082, 10360623, 20721246]

約数ペア:

[(1, 20721246), (2, 10360623), (3, 6907082), (6, 3453541), (7, 2960178), (13, 1593942), (14, 1480089), (21, 986726), (26, 796971), (39, 531314), (42, 493363), (78, 265657), (91, 227706), (182, 113853), (273, 75902), (546, 37951)]