20879490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3121}}^1$

素因数の和:3354

約数の個数: 32

約数和(自身を含む): 50351616

約数和(自身を除く): 29472126

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 223, 446, 669, 1115, 1338, 2230, 3121, 3345, 6242, 6690, 9363, 15605, 18726, 31210, 46815, 93630, 695983, 1391966, 2087949, 3479915, 4175898, 6959830, 10439745, 20879490]

約数ペア:

[(1, 20879490), (2, 10439745), (3, 6959830), (5, 4175898), (6, 3479915), (10, 2087949), (15, 1391966), (30, 695983), (223, 93630), (446, 46815), (669, 31210), (1115, 18726), (1338, 15605), (2230, 9363), (3121, 6690), (3345, 6242)]