20976010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4651}}^1$

素因数の和:4710

約数の個数: 32

約数和(自身を含む): 42202944

約数和(自身を除く): 21226934

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 4651, 9302, 23255, 46510, 51161, 102322, 190691, 255805, 381382, 511610, 953455, 1906910, 2097601, 4195202, 10488005, 20976010]

約数ペア:

[(1, 20976010), (2, 10488005), (5, 4195202), (10, 2097601), (11, 1906910), (22, 953455), (41, 511610), (55, 381382), (82, 255805), (110, 190691), (205, 102322), (410, 51161), (451, 46510), (902, 23255), (2255, 9302), (4510, 4651)]