20457378

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{16963}}^1$

素因数の和:17038

約数の個数: 24

約数和(自身を含む): 44988528

約数和(自身を除く): 24531150

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 16963, 33926, 50889, 101778, 152667, 305334, 1136521, 2273042, 3409563, 6819126, 10228689, 20457378]

約数ペア:

[(1, 20457378), (2, 10228689), (3, 6819126), (6, 3409563), (9, 2273042), (18, 1136521), (67, 305334), (134, 152667), (201, 101778), (402, 50889), (603, 33926), (1206, 16963)]