20290438908

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{937}}^1\times {\mathrm{26153}}^1$

素因数の和:27123

約数の個数: 72

約数和(自身を含む): 53578875168

約数和(自身を除く): 33288436260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 937, 1874, 2811, 3748, 5622, 8433, 11244, 16866, 21551, 26153, 33732, 43102, 52306, 64653, 78459, 86204, 104612, 129306, 156918, 193959, 235377, 258612, 313836, 387918, 470754, 601519, 775836, 941508, 1203038, 1804557, 2406076, 3609114, 5413671, 7218228, 10827342, 21654684, 24505361, 49010722, 73516083, 98021444, 147032166, 220548249, 294064332, 441096498, 563623303, 882192996, 1127246606, 1690869909, 2254493212, 3381739818, 5072609727, 6763479636, 10145219454, 20290438908]

約数ペア:

[(1, 20290438908), (2, 10145219454), (3, 6763479636), (4, 5072609727), (6, 3381739818), (9, 2254493212), (12, 1690869909), (18, 1127246606), (23, 882192996), (36, 563623303), (46, 441096498), (69, 294064332), (92, 220548249), (138, 147032166), (207, 98021444), (276, 73516083), (414, 49010722), (828, 24505361), (937, 21654684), (1874, 10827342), (2811, 7218228), (3748, 5413671), (5622, 3609114), (8433, 2406076), (11244, 1804557), (16866, 1203038), (21551, 941508), (26153, 775836), (33732, 601519), (43102, 470754), (52306, 387918), (64653, 313836), (78459, 258612), (86204, 235377), (104612, 193959), (129306, 156918)]