20305496

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2075

約数の個数: 32

約数和(自身を含む): 40279680

約数和(自身を除く): 19974184

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 164, 248, 328, 1271, 1997, 2542, 3994, 5084, 7988, 10168, 15976, 61907, 81877, 123814, 163754, 247628, 327508, 495256, 655016, 2538187, 5076374, 10152748, 20305496]

約数ペア:

[(1, 20305496), (2, 10152748), (4, 5076374), (8, 2538187), (31, 655016), (41, 495256), (62, 327508), (82, 247628), (124, 163754), (164, 123814), (248, 81877), (328, 61907), (1271, 15976), (1997, 10168), (2542, 7988), (3994, 5084)]