20143293880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{287597}}^1$

素因数の和:287728

約数の個数: 64

約数和(自身を含む): 48454511040

約数和(自身を除く): 28311217160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 103, 136, 170, 206, 340, 412, 515, 680, 824, 1030, 1751, 2060, 3502, 4120, 7004, 8755, 14008, 17510, 35020, 70040, 287597, 575194, 1150388, 1437985, 2300776, 2875970, 4889149, 5751940, 9778298, 11503880, 19556596, 24445745, 29622491, 39113192, 48891490, 59244982, 97782980, 118489964, 148112455, 195565960, 236979928, 296224910, 503582347, 592449820, 1007164694, 1184899640, 2014329388, 2517911735, 4028658776, 5035823470, 10071646940, 20143293880]

約数ペア:

[(1, 20143293880), (2, 10071646940), (4, 5035823470), (5, 4028658776), (8, 2517911735), (10, 2014329388), (17, 1184899640), (20, 1007164694), (34, 592449820), (40, 503582347), (68, 296224910), (85, 236979928), (103, 195565960), (136, 148112455), (170, 118489964), (206, 97782980), (340, 59244982), (412, 48891490), (515, 39113192), (680, 29622491), (824, 24445745), (1030, 19556596), (1751, 11503880), (2060, 9778298), (3502, 5751940), (4120, 4889149), (7004, 2875970), (8755, 2300776), (14008, 1437985), (17510, 1150388), (35020, 575194), (70040, 287597)]