20123351675

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1292029}}^1$

素因数の和:1292135

約数の個数: 24

約数和(自身を含む): 28838109600

約数和(自身を除く): 8714757925

約数列:

[1, 5, 7, 25, 35, 89, 175, 445, 623, 2225, 3115, 15575, 1292029, 6460145, 9044203, 32300725, 45221015, 114990581, 226105075, 574952905, 804934067, 2874764525, 4024670335, 20123351675]

約数ペア:

[(1, 20123351675), (5, 4024670335), (7, 2874764525), (25, 804934067), (35, 574952905), (89, 226105075), (175, 114990581), (445, 45221015), (623, 32300725), (2225, 9044203), (3115, 6460145), (15575, 1292029)]