20199874324

素因数分解:

$2^2\times 7^1\times {\mathrm{5309}}^1\times {\mathrm{135887}}^1$

素因数の和:141207

約数の個数: 24

約数和(自身を含む): 40407655680

約数和(自身を除く): 20207781356

約数列:

[1, 2, 4, 7, 14, 28, 5309, 10618, 21236, 37163, 74326, 135887, 148652, 271774, 543548, 951209, 1902418, 3804836, 721424083, 1442848166, 2885696332, 5049968581, 10099937162, 20199874324]

約数ペア:

[(1, 20199874324), (2, 10099937162), (4, 5049968581), (7, 2885696332), (14, 1442848166), (28, 721424083), (5309, 3804836), (10618, 1902418), (21236, 951209), (37163, 543548), (74326, 271774), (135887, 148652)]