20163854221

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{15731}}^1$

素因数の和:15890

約数の個数: 32

約数和(自身を含む): 24390892800

約数和(自身を除く): 4227038579

約数列:

[1, 7, 37, 49, 101, 259, 343, 707, 1813, 3737, 4949, 12691, 15731, 26159, 34643, 110117, 183113, 582047, 770819, 1281791, 1588831, 4074329, 5395733, 11121817, 28520303, 58786747, 77852719, 199642121, 411507229, 544969033, 2880550603, 20163854221]

約数ペア:

[(1, 20163854221), (7, 2880550603), (37, 544969033), (49, 411507229), (101, 199642121), (259, 77852719), (343, 58786747), (707, 28520303), (1813, 11121817), (3737, 5395733), (4949, 4074329), (12691, 1588831), (15731, 1281791), (26159, 770819), (34643, 582047), (110117, 183113)]