20559660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31151}}^1$

素因数の和:31174

約数の個数: 48

約数和(自身を含む): 62802432

約数和(自身を除く): 42242772

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31151, 62302, 93453, 124604, 155755, 186906, 311510, 342661, 373812, 467265, 623020, 685322, 934530, 1027983, 1370644, 1713305, 1869060, 2055966, 3426610, 4111932, 5139915, 6853220, 10279830, 20559660]

約数ペア:

[(1, 20559660), (2, 10279830), (3, 6853220), (4, 5139915), (5, 4111932), (6, 3426610), (10, 2055966), (11, 1869060), (12, 1713305), (15, 1370644), (20, 1027983), (22, 934530), (30, 685322), (33, 623020), (44, 467265), (55, 373812), (60, 342661), (66, 311510), (110, 186906), (132, 155755), (165, 124604), (220, 93453), (330, 62302), (660, 31151)]