20625552

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3331}}^1$

素因数の和:3388

約数の個数: 60

約数和(自身を含む): 59083024

約数和(自身を除く): 38457472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3331, 6192, 6662, 9993, 13324, 19986, 26648, 29979, 39972, 53296, 59958, 79944, 119916, 143233, 159888, 239832, 286466, 429699, 479664, 572932, 859398, 1145864, 1289097, 1718796, 2291728, 2578194, 3437592, 5156388, 6875184, 10312776, 20625552]

約数ペア:

[(1, 20625552), (2, 10312776), (3, 6875184), (4, 5156388), (6, 3437592), (8, 2578194), (9, 2291728), (12, 1718796), (16, 1289097), (18, 1145864), (24, 859398), (36, 572932), (43, 479664), (48, 429699), (72, 286466), (86, 239832), (129, 159888), (144, 143233), (172, 119916), (258, 79944), (344, 59958), (387, 53296), (516, 39972), (688, 29979), (774, 26648), (1032, 19986), (1548, 13324), (2064, 9993), (3096, 6662), (3331, 6192)]