20158810672

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1258667}}^1$

素因数の和:1258706

約数の個数: 80

約数和(自身を含む): 52441143552

約数和(自身を除く): 32282332880

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 8008, 16016, 1258667, 2517334, 5034668, 8810669, 10069336, 13845337, 16362671, 17621338, 20138672, 27690674, 32725342, 35242676, 55381348, 65450684, 70485352, 96917359, 110762696, 114538697, 130901368, 140970704, 179989381, 193834718, 221525392, 229077394, 261802736, 359978762, 387669436, 458154788, 719957524, 775338872, 916309576, 1259925667, 1439915048, 1550677744, 1832619152, 2519851334, 2879830096, 5039702668, 10079405336, 20158810672]

約数ペア:

[(1, 20158810672), (2, 10079405336), (4, 5039702668), (7, 2879830096), (8, 2519851334), (11, 1832619152), (13, 1550677744), (14, 1439915048), (16, 1259925667), (22, 916309576), (26, 775338872), (28, 719957524), (44, 458154788), (52, 387669436), (56, 359978762), (77, 261802736), (88, 229077394), (91, 221525392), (104, 193834718), (112, 179989381), (143, 140970704), (154, 130901368), (176, 114538697), (182, 110762696), (208, 96917359), (286, 70485352), (308, 65450684), (364, 55381348), (572, 35242676), (616, 32725342), (728, 27690674), (1001, 20138672), (1144, 17621338), (1232, 16362671), (1456, 13845337), (2002, 10069336), (2288, 8810669), (4004, 5034668), (8008, 2517334), (16016, 1258667)]