20780070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2213}}^1$

素因数の和:2536

約数の個数: 32

約数和(自身を含む): 50054112

約数和(自身を除く): 29274042

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 313, 626, 939, 1565, 1878, 2213, 3130, 4426, 4695, 6639, 9390, 11065, 13278, 22130, 33195, 66390, 692669, 1385338, 2078007, 3463345, 4156014, 6926690, 10390035, 20780070]

約数ペア:

[(1, 20780070), (2, 10390035), (3, 6926690), (5, 4156014), (6, 3463345), (10, 2078007), (15, 1385338), (30, 692669), (313, 66390), (626, 33195), (939, 22130), (1565, 13278), (1878, 11065), (2213, 9390), (3130, 6639), (4426, 4695)]