20573344

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 44555616

約数和(自身を除く): 23982272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 211, 277, 352, 422, 554, 844, 1108, 1688, 2216, 2321, 3047, 3376, 4432, 4642, 6094, 6752, 8864, 9284, 12188, 18568, 24376, 37136, 48752, 58447, 74272, 97504, 116894, 233788, 467576, 642917, 935152, 1285834, 1870304, 2571668, 5143336, 10286672, 20573344]

約数ペア:

[(1, 20573344), (2, 10286672), (4, 5143336), (8, 2571668), (11, 1870304), (16, 1285834), (22, 935152), (32, 642917), (44, 467576), (88, 233788), (176, 116894), (211, 97504), (277, 74272), (352, 58447), (422, 48752), (554, 37136), (844, 24376), (1108, 18568), (1688, 12188), (2216, 9284), (2321, 8864), (3047, 6752), (3376, 6094), (4432, 4642)]