20163698980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{827}}^1\times {\mathrm{71711}}^1$

素因数の和:72564

約数の個数: 48

約数和(自身を含む): 44889417216

約数和(自身を除く): 24725718236

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 827, 1654, 3308, 4135, 8270, 14059, 16540, 28118, 56236, 70295, 71711, 140590, 143422, 281180, 286844, 358555, 717110, 1219087, 1434220, 2438174, 4876348, 6095435, 12190870, 24381740, 59304997, 118609994, 237219988, 296524985, 593049970, 1008184949, 1186099940, 2016369898, 4032739796, 5040924745, 10081849490, 20163698980]

約数ペア:

[(1, 20163698980), (2, 10081849490), (4, 5040924745), (5, 4032739796), (10, 2016369898), (17, 1186099940), (20, 1008184949), (34, 593049970), (68, 296524985), (85, 237219988), (170, 118609994), (340, 59304997), (827, 24381740), (1654, 12190870), (3308, 6095435), (4135, 4876348), (8270, 2438174), (14059, 1434220), (16540, 1219087), (28118, 717110), (56236, 358555), (70295, 286844), (71711, 281180), (140590, 143422)]