20218734

素因数分解:

$2^1\times 3^4\times {\mathrm{137}}^1\times {\mathrm{911}}^1$

素因数の和:1062

約数の個数: 40

約数和(自身を含む): 45685728

約数和(自身を除く): 25466994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 137, 162, 274, 411, 822, 911, 1233, 1822, 2466, 2733, 3699, 5466, 7398, 8199, 11097, 16398, 22194, 24597, 49194, 73791, 124807, 147582, 249614, 374421, 748842, 1123263, 2246526, 3369789, 6739578, 10109367, 20218734]

約数ペア:

[(1, 20218734), (2, 10109367), (3, 6739578), (6, 3369789), (9, 2246526), (18, 1123263), (27, 748842), (54, 374421), (81, 249614), (137, 147582), (162, 124807), (274, 73791), (411, 49194), (822, 24597), (911, 22194), (1233, 16398), (1822, 11097), (2466, 8199), (2733, 7398), (3699, 5466)]