20969370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1543}}^1$

素因数の和:1707

約数の個数: 48

約数和(自身を含む): 54916992

約数和(自身を除く): 33947622

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 151, 302, 453, 755, 906, 1359, 1510, 1543, 2265, 2718, 3086, 4530, 4629, 6795, 7715, 9258, 13590, 13887, 15430, 23145, 27774, 46290, 69435, 138870, 232993, 465986, 698979, 1164965, 1397958, 2096937, 2329930, 3494895, 4193874, 6989790, 10484685, 20969370]

約数ペア:

[(1, 20969370), (2, 10484685), (3, 6989790), (5, 4193874), (6, 3494895), (9, 2329930), (10, 2096937), (15, 1397958), (18, 1164965), (30, 698979), (45, 465986), (90, 232993), (151, 138870), (302, 69435), (453, 46290), (755, 27774), (906, 23145), (1359, 15430), (1510, 13887), (1543, 13590), (2265, 9258), (2718, 7715), (3086, 6795), (4530, 4629)]