20522944

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1451}}^1$

素因数の和:1493

約数の個数: 56

約数和(自身を含む): 46469808

約数和(自身を除く): 25946864

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1451, 1768, 2902, 3536, 5804, 7072, 11608, 14144, 18863, 23216, 24667, 37726, 46432, 49334, 75452, 92864, 98668, 150904, 197336, 301808, 320671, 394672, 603616, 641342, 789344, 1207232, 1282684, 1578688, 2565368, 5130736, 10261472, 20522944]

約数ペア:

[(1, 20522944), (2, 10261472), (4, 5130736), (8, 2565368), (13, 1578688), (16, 1282684), (17, 1207232), (26, 789344), (32, 641342), (34, 603616), (52, 394672), (64, 320671), (68, 301808), (104, 197336), (136, 150904), (208, 98668), (221, 92864), (272, 75452), (416, 49334), (442, 46432), (544, 37726), (832, 24667), (884, 23216), (1088, 18863), (1451, 14144), (1768, 11608), (2902, 7072), (3536, 5804)]