20196556910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{20219}}^1$

素因数の和:20393

約数の個数: 64

約数和(自身を含む): 39202859520

約数和(自身を除く): 19006302610

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 101, 115, 202, 215, 230, 430, 505, 989, 1010, 1978, 2323, 4343, 4646, 4945, 8686, 9890, 11615, 20219, 21715, 23230, 40438, 43430, 99889, 101095, 199778, 202190, 465037, 499445, 869417, 930074, 998890, 1738834, 2042119, 2325185, 4084238, 4347085, 4650370, 8694170, 10210595, 19996591, 20421190, 39993182, 46968737, 87811117, 93937474, 99982955, 175622234, 199965910, 234843685, 439055585, 469687370, 878111170, 2019655691, 4039311382, 10098278455, 20196556910]

約数ペア:

[(1, 20196556910), (2, 10098278455), (5, 4039311382), (10, 2019655691), (23, 878111170), (43, 469687370), (46, 439055585), (86, 234843685), (101, 199965910), (115, 175622234), (202, 99982955), (215, 93937474), (230, 87811117), (430, 46968737), (505, 39993182), (989, 20421190), (1010, 19996591), (1978, 10210595), (2323, 8694170), (4343, 4650370), (4646, 4347085), (4945, 4084238), (8686, 2325185), (9890, 2042119), (11615, 1738834), (20219, 998890), (21715, 930074), (23230, 869417), (40438, 499445), (43430, 465037), (99889, 202190), (101095, 199778)]