31203020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{18797}}^1$

素因数の和:18889

約数の個数: 24

約数和(自身を含む): 66319344

約数和(自身を除く): 35116324

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 18797, 37594, 75188, 93985, 187970, 375940, 1560151, 3120302, 6240604, 7800755, 15601510, 31203020]

約数ペア:

[(1, 31203020), (2, 15601510), (4, 7800755), (5, 6240604), (10, 3120302), (20, 1560151), (83, 375940), (166, 187970), (332, 93985), (415, 75188), (830, 37594), (1660, 18797)]