20624370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52883}}^1$

素因数の和:52906

約数の個数: 32

約数和(自身を含む): 53307072

約数和(自身を除く): 32682702

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52883, 105766, 158649, 264415, 317298, 528830, 687479, 793245, 1374958, 1586490, 2062437, 3437395, 4124874, 6874790, 10312185, 20624370]

約数ペア:

[(1, 20624370), (2, 10312185), (3, 6874790), (5, 4124874), (6, 3437395), (10, 2062437), (13, 1586490), (15, 1374958), (26, 793245), (30, 687479), (39, 528830), (65, 317298), (78, 264415), (130, 158649), (195, 105766), (390, 52883)]