20163687224

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{315097}}^1$

素因数の和:315543

約数の個数: 32

約数和(自身を含む): 39891406800

約数和(自身を除く): 19727719576

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 421, 842, 1684, 3368, 7999, 15998, 31996, 63992, 315097, 630194, 1260388, 2520776, 5986843, 11973686, 23947372, 47894744, 132655837, 265311674, 530623348, 1061246696, 2520460903, 5040921806, 10081843612, 20163687224]

約数ペア:

[(1, 20163687224), (2, 10081843612), (4, 5040921806), (8, 2520460903), (19, 1061246696), (38, 530623348), (76, 265311674), (152, 132655837), (421, 47894744), (842, 23947372), (1684, 11973686), (3368, 5986843), (7999, 2520776), (15998, 1260388), (31996, 630194), (63992, 315097)]