20496142010

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{1217}}^1$

素因数の和:1607

約数の個数: 64

約数和(自身を含む): 37922556672

約数和(自身を除く): 17426414662

約数列:

[1, 2, 5, 10, 83, 103, 166, 197, 206, 394, 415, 515, 830, 985, 1030, 1217, 1970, 2434, 6085, 8549, 12170, 16351, 17098, 20291, 32702, 40582, 42745, 81755, 85490, 101011, 101455, 125351, 163510, 202022, 202910, 239749, 250702, 479498, 505055, 626755, 1010110, 1198745, 1253510, 1684153, 2397490, 3368306, 8420765, 10404133, 16841530, 19899167, 20808266, 24694147, 39798334, 49388294, 52020665, 99495835, 104041330, 123470735, 198991670, 246941470, 2049614201, 4099228402, 10248071005, 20496142010]

約数ペア:

[(1, 20496142010), (2, 10248071005), (5, 4099228402), (10, 2049614201), (83, 246941470), (103, 198991670), (166, 123470735), (197, 104041330), (206, 99495835), (394, 52020665), (415, 49388294), (515, 39798334), (830, 24694147), (985, 20808266), (1030, 19899167), (1217, 16841530), (1970, 10404133), (2434, 8420765), (6085, 3368306), (8549, 2397490), (12170, 1684153), (16351, 1253510), (17098, 1198745), (20291, 1010110), (32702, 626755), (40582, 505055), (42745, 479498), (81755, 250702), (85490, 239749), (101011, 202910), (101455, 202022), (125351, 163510)]