19943240

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6007}}^1$

素因数の和:6101

約数の個数: 32

約数和(自身を含む): 45420480

約数和(自身を除く): 25477240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 6007, 12014, 24028, 30035, 48056, 60070, 120140, 240280, 498581, 997162, 1994324, 2492905, 3988648, 4985810, 9971620, 19943240]

約数ペア:

[(1, 19943240), (2, 9971620), (4, 4985810), (5, 3988648), (8, 2492905), (10, 1994324), (20, 997162), (40, 498581), (83, 240280), (166, 120140), (332, 60070), (415, 48056), (664, 30035), (830, 24028), (1660, 12014), (3320, 6007)]