20228874820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1876519}}^1$

素因数の和:1876553

約数の個数: 72

約数和(自身を含む): 53908666560

約数和(自身を除く): 33679791740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 1876519, 3753038, 7506076, 9382595, 13135633, 18765190, 20641709, 26271266, 37530380, 41283418, 52542532, 65678165, 82566836, 91949431, 103208545, 131356330, 144491963, 183898862, 206417090, 262712660, 288983926, 367797724, 412834180, 459747155, 577967852, 722459815, 919494310, 1011443741, 1444919630, 1838988620, 2022887482, 2889839260, 4045774964, 5057218705, 10114437410, 20228874820]

約数ペア:

[(1, 20228874820), (2, 10114437410), (4, 5057218705), (5, 4045774964), (7, 2889839260), (10, 2022887482), (11, 1838988620), (14, 1444919630), (20, 1011443741), (22, 919494310), (28, 722459815), (35, 577967852), (44, 459747155), (49, 412834180), (55, 367797724), (70, 288983926), (77, 262712660), (98, 206417090), (110, 183898862), (140, 144491963), (154, 131356330), (196, 103208545), (220, 91949431), (245, 82566836), (308, 65678165), (385, 52542532), (490, 41283418), (539, 37530380), (770, 26271266), (980, 20641709), (1078, 18765190), (1540, 13135633), (2156, 9382595), (2695, 7506076), (5390, 3753038), (10780, 1876519)]