20380470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 53844480

約数和(自身を除く): 33464010

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 151, 165, 302, 330, 409, 453, 755, 818, 906, 1227, 1510, 1661, 2045, 2265, 2454, 3322, 4090, 4499, 4530, 4983, 6135, 8305, 8998, 9966, 12270, 13497, 16610, 22495, 24915, 26994, 44990, 49830, 61759, 67485, 123518, 134970, 185277, 308795, 370554, 617590, 679349, 926385, 1358698, 1852770, 2038047, 3396745, 4076094, 6793490, 10190235, 20380470]

約数ペア:

[(1, 20380470), (2, 10190235), (3, 6793490), (5, 4076094), (6, 3396745), (10, 2038047), (11, 1852770), (15, 1358698), (22, 926385), (30, 679349), (33, 617590), (55, 370554), (66, 308795), (110, 185277), (151, 134970), (165, 123518), (302, 67485), (330, 61759), (409, 49830), (453, 44990), (755, 26994), (818, 24915), (906, 22495), (1227, 16610), (1510, 13497), (1661, 12270), (2045, 9966), (2265, 8998), (2454, 8305), (3322, 6135), (4090, 4983), (4499, 4530)]