2021830220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{51551}}^1$

素因数の和:51650

約数の個数: 48

約数和(自身を含む): 4442957568

約数和(自身を除く): 2421127348

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 740, 1060, 1961, 3922, 7844, 9805, 19610, 39220, 51551, 103102, 206204, 257755, 515510, 1031020, 1907387, 2732203, 3814774, 5464406, 7629548, 9536935, 10928812, 13661015, 19073870, 27322030, 38147740, 54644060, 101091511, 202183022, 404366044, 505457555, 1010915110, 2021830220]

約数ペア:

[(1, 2021830220), (2, 1010915110), (4, 505457555), (5, 404366044), (10, 202183022), (20, 101091511), (37, 54644060), (53, 38147740), (74, 27322030), (106, 19073870), (148, 13661015), (185, 10928812), (212, 9536935), (265, 7629548), (370, 5464406), (530, 3814774), (740, 2732203), (1060, 1907387), (1961, 1031020), (3922, 515510), (7844, 257755), (9805, 206204), (19610, 103102), (39220, 51551)]