2020488920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{608581}}^1$

素因数の和:608675

約数の個数: 32

約数和(自身を含む): 4600879920

約数和(自身を除く): 2580391000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 608581, 1217162, 2434324, 3042905, 4868648, 6085810, 12171620, 24343240, 50512223, 101024446, 202048892, 252561115, 404097784, 505122230, 1010244460, 2020488920]

約数ペア:

[(1, 2020488920), (2, 1010244460), (4, 505122230), (5, 404097784), (8, 252561115), (10, 202048892), (20, 101024446), (40, 50512223), (83, 24343240), (166, 12171620), (332, 6085810), (415, 4868648), (664, 3042905), (830, 2434324), (1660, 1217162), (3320, 608581)]