19926340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20333}}^1$

素因数の和:20356

約数の個数: 36

約数和(自身を含む): 48679596

約数和(自身を除く): 28753256

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20333, 40666, 81332, 101665, 142331, 203330, 284662, 406660, 569324, 711655, 996317, 1423310, 1992634, 2846620, 3985268, 4981585, 9963170, 19926340]

約数ペア:

[(1, 19926340), (2, 9963170), (4, 4981585), (5, 3985268), (7, 2846620), (10, 1992634), (14, 1423310), (20, 996317), (28, 711655), (35, 569324), (49, 406660), (70, 284662), (98, 203330), (140, 142331), (196, 101665), (245, 81332), (490, 40666), (980, 20333)]