20153720920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13617379}}^1$

素因数の和:13617427

約数の個数: 32

約数和(自身を含む): 46571439600

約数和(自身を除く): 26417718680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13617379, 27234758, 54469516, 68086895, 108939032, 136173790, 272347580, 503843023, 544695160, 1007686046, 2015372092, 2519215115, 4030744184, 5038430230, 10076860460, 20153720920]

約数ペア:

[(1, 20153720920), (2, 10076860460), (4, 5038430230), (5, 4030744184), (8, 2519215115), (10, 2015372092), (20, 1007686046), (37, 544695160), (40, 503843023), (74, 272347580), (148, 136173790), (185, 108939032), (296, 68086895), (370, 54469516), (740, 27234758), (1480, 13617379)]