20808329500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5945237}}^1$

素因数の和:5945263

約数の個数: 48

約数和(自身を含む): 51937599168

約数和(自身を除く): 31129269668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5945237, 11890474, 23780948, 29726185, 41616659, 59452370, 83233318, 118904740, 148630925, 166466636, 208083295, 297261850, 416166590, 594523700, 743154625, 832333180, 1040416475, 1486309250, 2080832950, 2972618500, 4161665900, 5202082375, 10404164750, 20808329500]

約数ペア:

[(1, 20808329500), (2, 10404164750), (4, 5202082375), (5, 4161665900), (7, 2972618500), (10, 2080832950), (14, 1486309250), (20, 1040416475), (25, 832333180), (28, 743154625), (35, 594523700), (50, 416166590), (70, 297261850), (100, 208083295), (125, 166466636), (140, 148630925), (175, 118904740), (250, 83233318), (350, 59452370), (500, 41616659), (700, 29726185), (875, 23780948), (1750, 11890474), (3500, 5945237)]