20301790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22811}}^1$

素因数の和:22907

約数の個数: 16

約数和(自身を含む): 36955440

約数和(自身を除く): 16653650

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22811, 45622, 114055, 228110, 2030179, 4060358, 10150895, 20301790]

約数ペア:

[(1, 20301790), (2, 10150895), (5, 4060358), (10, 2030179), (89, 228110), (178, 114055), (445, 45622), (890, 22811)]