20996957510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{133069}}^1$

素因数の和:133616

約数の個数: 32

約数和(自身を含む): 39090643200

約数和(自身を除く): 18093685690

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 509, 1018, 2545, 5090, 15779, 31558, 78895, 133069, 157790, 266138, 665345, 1330690, 4125139, 8250278, 20625695, 41251390, 67732121, 135464242, 338660605, 677321210, 2099695751, 4199391502, 10498478755, 20996957510]

約数ペア:

[(1, 20996957510), (2, 10498478755), (5, 4199391502), (10, 2099695751), (31, 677321210), (62, 338660605), (155, 135464242), (310, 67732121), (509, 41251390), (1018, 20625695), (2545, 8250278), (5090, 4125139), (15779, 1330690), (31558, 665345), (78895, 266138), (133069, 157790)]