20293915

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 4704485

約数列:

[1, 5, 79, 83, 395, 415, 619, 3095, 6557, 32785, 48901, 51377, 244505, 256885, 4058783, 20293915]

約数ペア:

[(1, 20293915), (5, 4058783), (79, 256885), (83, 244505), (395, 51377), (415, 48901), (619, 32785), (3095, 6557)]