20318664

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18013}}^1$

素因数の和:18069

約数の個数: 32

約数和(自身を含む): 51880320

約数和(自身を除く): 31561656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18013, 36026, 54039, 72052, 108078, 144104, 216156, 432312, 846611, 1693222, 2539833, 3386444, 5079666, 6772888, 10159332, 20318664]

約数ペア:

[(1, 20318664), (2, 10159332), (3, 6772888), (4, 5079666), (6, 3386444), (8, 2539833), (12, 1693222), (24, 846611), (47, 432312), (94, 216156), (141, 144104), (188, 108078), (282, 72052), (376, 54039), (564, 36026), (1128, 18013)]