20922032080

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{524099}}^1$

素因数の和:524611

約数の個数: 40

約数和(自身を含む): 48741300000

約数和(自身を除く): 27819267920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 998, 1996, 2495, 3992, 4990, 7984, 9980, 19960, 39920, 524099, 1048198, 2096396, 2620495, 4192792, 5240990, 8385584, 10481980, 20963960, 41927920, 261525401, 523050802, 1046101604, 1307627005, 2092203208, 2615254010, 4184406416, 5230508020, 10461016040, 20922032080]

約数ペア:

[(1, 20922032080), (2, 10461016040), (4, 5230508020), (5, 4184406416), (8, 2615254010), (10, 2092203208), (16, 1307627005), (20, 1046101604), (40, 523050802), (80, 261525401), (499, 41927920), (998, 20963960), (1996, 10481980), (2495, 8385584), (3992, 5240990), (4990, 4192792), (7984, 2620495), (9980, 2096396), (19960, 1048198), (39920, 524099)]