20244920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13679}}^1$

素因数の和:13727

約数の個数: 32

約数和(自身を含む): 46785600

約数和(自身を除く): 26540680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13679, 27358, 54716, 68395, 109432, 136790, 273580, 506123, 547160, 1012246, 2024492, 2530615, 4048984, 5061230, 10122460, 20244920]

約数ペア:

[(1, 20244920), (2, 10122460), (4, 5061230), (5, 4048984), (8, 2530615), (10, 2024492), (20, 1012246), (37, 547160), (40, 506123), (74, 273580), (148, 136790), (185, 109432), (296, 68395), (370, 54716), (740, 27358), (1480, 13679)]