20218378940

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1039}}^1\times {\mathrm{3617}}^1$

素因数の和:4934

約数の個数: 48

約数和(自身を含む): 42669244800

約数和(自身を除く): 22450865860

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1039, 1076, 1345, 2078, 2690, 3617, 4156, 5195, 5380, 7234, 10390, 14468, 18085, 20780, 36170, 72340, 279491, 558982, 972973, 1117964, 1397455, 1945946, 2794910, 3758063, 3891892, 4864865, 5589820, 7516126, 9729730, 15032252, 18790315, 19459460, 37580630, 75161260, 1010918947, 2021837894, 4043675788, 5054594735, 10109189470, 20218378940]

約数ペア:

[(1, 20218378940), (2, 10109189470), (4, 5054594735), (5, 4043675788), (10, 2021837894), (20, 1010918947), (269, 75161260), (538, 37580630), (1039, 19459460), (1076, 18790315), (1345, 15032252), (2078, 9729730), (2690, 7516126), (3617, 5589820), (4156, 4864865), (5195, 3891892), (5380, 3758063), (7234, 2794910), (10390, 1945946), (14468, 1397455), (18085, 1117964), (20780, 972973), (36170, 558982), (72340, 279491)]