20187970520

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1822019}}^1$

素因数の和:1822307

約数の個数: 32

約数和(自身を含む): 45586940400

約数和(自身を除く): 25398969880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 1822019, 3644038, 7288076, 9110095, 14576152, 18220190, 36440380, 72880760, 504699263, 1009398526, 2018797052, 2523496315, 4037594104, 5046992630, 10093985260, 20187970520]

約数ペア:

[(1, 20187970520), (2, 10093985260), (4, 5046992630), (5, 4037594104), (8, 2523496315), (10, 2018797052), (20, 1009398526), (40, 504699263), (277, 72880760), (554, 36440380), (1108, 18220190), (1385, 14576152), (2216, 9110095), (2770, 7288076), (5540, 3644038), (11080, 1822019)]