27642020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{569}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 66648960

約数和(自身を除く): 39006940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 569, 694, 1138, 1388, 1735, 2276, 2429, 2845, 3470, 3983, 4858, 5690, 6940, 7966, 9716, 11380, 12145, 15932, 19915, 24290, 39830, 48580, 79660, 197443, 394886, 789772, 987215, 1382101, 1974430, 2764202, 3948860, 5528404, 6910505, 13821010, 27642020]

約数ペア:

[(1, 27642020), (2, 13821010), (4, 6910505), (5, 5528404), (7, 3948860), (10, 2764202), (14, 1974430), (20, 1382101), (28, 987215), (35, 789772), (70, 394886), (140, 197443), (347, 79660), (569, 48580), (694, 39830), (1138, 24290), (1388, 19915), (1735, 15932), (2276, 12145), (2429, 11380), (2845, 9716), (3470, 7966), (3983, 6940), (4858, 5690)]