20199107552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{309271}}^1$

素因数の和:309451

約数の個数: 48

約数和(自身を含む): 43098908832

約数和(自身を除く): 22899801280

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 157, 208, 314, 416, 628, 1256, 2041, 2512, 4082, 5024, 8164, 16328, 32656, 65312, 309271, 618542, 1237084, 2474168, 4020523, 4948336, 8041046, 9896672, 16082092, 32164184, 48555547, 64328368, 97111094, 128656736, 194222188, 388444376, 631222111, 776888752, 1262444222, 1553777504, 2524888444, 5049776888, 10099553776, 20199107552]

約数ペア:

[(1, 20199107552), (2, 10099553776), (4, 5049776888), (8, 2524888444), (13, 1553777504), (16, 1262444222), (26, 776888752), (32, 631222111), (52, 388444376), (104, 194222188), (157, 128656736), (208, 97111094), (314, 64328368), (416, 48555547), (628, 32164184), (1256, 16082092), (2041, 9896672), (2512, 8041046), (4082, 4948336), (5024, 4020523), (8164, 2474168), (16328, 1237084), (32656, 618542), (65312, 309271)]