20652270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 51480576

約数和(自身を除く): 30828306

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 97, 141, 151, 194, 235, 282, 291, 302, 453, 470, 485, 582, 705, 755, 906, 970, 1410, 1455, 1510, 2265, 2910, 4530, 4559, 7097, 9118, 13677, 14194, 14647, 21291, 22795, 27354, 29294, 35485, 42582, 43941, 45590, 68385, 70970, 73235, 87882, 106455, 136770, 146470, 212910, 219705, 439410, 688409, 1376818, 2065227, 3442045, 4130454, 6884090, 10326135, 20652270]

約数ペア:

[(1, 20652270), (2, 10326135), (3, 6884090), (5, 4130454), (6, 3442045), (10, 2065227), (15, 1376818), (30, 688409), (47, 439410), (94, 219705), (97, 212910), (141, 146470), (151, 136770), (194, 106455), (235, 87882), (282, 73235), (291, 70970), (302, 68385), (453, 45590), (470, 43941), (485, 42582), (582, 35485), (705, 29294), (755, 27354), (906, 22795), (970, 21291), (1410, 14647), (1455, 14194), (1510, 13677), (2265, 9118), (2910, 7097), (4530, 4559)]