20373465

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 38708928

約数和(自身を除く): 18335463

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 53, 105, 147, 159, 245, 265, 371, 523, 735, 795, 1113, 1569, 1855, 2597, 2615, 3661, 5565, 7791, 7845, 10983, 12985, 18305, 25627, 27719, 38955, 54915, 76881, 83157, 128135, 138595, 194033, 384405, 415785, 582099, 970165, 1358231, 2910495, 4074693, 6791155, 20373465]

約数ペア:

[(1, 20373465), (3, 6791155), (5, 4074693), (7, 2910495), (15, 1358231), (21, 970165), (35, 582099), (49, 415785), (53, 384405), (105, 194033), (147, 138595), (159, 128135), (245, 83157), (265, 76881), (371, 54915), (523, 38955), (735, 27719), (795, 25627), (1113, 18305), (1569, 12985), (1855, 10983), (2597, 7845), (2615, 7791), (3661, 5565)]