20281676

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2477}}^1$

素因数の和:2593

約数の個数: 24

約数和(自身を含む): 37467360

約数和(自身を除く): 17185684

約数列:

[1, 2, 4, 23, 46, 89, 92, 178, 356, 2047, 2477, 4094, 4954, 8188, 9908, 56971, 113942, 220453, 227884, 440906, 881812, 5070419, 10140838, 20281676]

約数ペア:

[(1, 20281676), (2, 10140838), (4, 5070419), (23, 881812), (46, 440906), (89, 227884), (92, 220453), (178, 113942), (356, 56971), (2047, 9908), (2477, 8188), (4094, 4954)]