201941420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{99971}}^1$

素因数の和:100081

約数の個数: 24

約数和(自身を含む): 428280048

約数和(自身を除く): 226338628

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 99971, 199942, 399884, 499855, 999710, 1999420, 10097071, 20194142, 40388284, 50485355, 100970710, 201941420]

約数ペア:

[(1, 201941420), (2, 100970710), (4, 50485355), (5, 40388284), (10, 20194142), (20, 10097071), (101, 1999420), (202, 999710), (404, 499855), (505, 399884), (1010, 199942), (2020, 99971)]