20445684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{243401}}^1$

素因数の和:243415

約数の個数: 24

約数和(自身を含む): 54522048

約数和(自身を除く): 34076364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 243401, 486802, 730203, 973604, 1460406, 1703807, 2920812, 3407614, 5111421, 6815228, 10222842, 20445684]

約数ペア:

[(1, 20445684), (2, 10222842), (3, 6815228), (4, 5111421), (6, 3407614), (7, 2920812), (12, 1703807), (14, 1460406), (21, 973604), (28, 730203), (42, 486802), (84, 243401)]