20318648

素因数分解:

$2^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2027}}^1$

素因数の和:2219

約数の個数: 32

約数和(自身を含む): 43804800

約数和(自身を除く): 23486152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 179, 358, 716, 1253, 1432, 2027, 2506, 4054, 5012, 8108, 10024, 14189, 16216, 28378, 56756, 113512, 362833, 725666, 1451332, 2539831, 2902664, 5079662, 10159324, 20318648]

約数ペア:

[(1, 20318648), (2, 10159324), (4, 5079662), (7, 2902664), (8, 2539831), (14, 1451332), (28, 725666), (56, 362833), (179, 113512), (358, 56756), (716, 28378), (1253, 16216), (1432, 14189), (2027, 10024), (2506, 8108), (4054, 5012)]