20377275

素因数分解:

$3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2801}}^1$

素因数の和:2911

約数の個数: 24

約数和(自身を含む): 34049904

約数和(自身を除く): 13672629

約数列:

[1, 3, 5, 15, 25, 75, 97, 291, 485, 1455, 2425, 2801, 7275, 8403, 14005, 42015, 70025, 210075, 271697, 815091, 1358485, 4075455, 6792425, 20377275]

約数ペア:

[(1, 20377275), (3, 6792425), (5, 4075455), (15, 1358485), (25, 815091), (75, 271697), (97, 210075), (291, 70025), (485, 42015), (1455, 14005), (2425, 8403), (2801, 7275)]