20246872

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 39560400

約数和(自身を除く): 19313528

約数列:

[1, 2, 4, 8, 29, 58, 116, 197, 232, 394, 443, 788, 886, 1576, 1772, 3544, 5713, 11426, 12847, 22852, 25694, 45704, 51388, 87271, 102776, 174542, 349084, 698168, 2530859, 5061718, 10123436, 20246872]

約数ペア:

[(1, 20246872), (2, 10123436), (4, 5061718), (8, 2530859), (29, 698168), (58, 349084), (116, 174542), (197, 102776), (232, 87271), (394, 51388), (443, 45704), (788, 25694), (886, 22852), (1576, 12847), (1772, 11426), (3544, 5713)]