20071696

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:811

約数の個数: 40

約数和(自身を含む): 41615640

約数和(自身を除く): 21543944

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 109, 136, 218, 272, 436, 677, 872, 1354, 1744, 1853, 2708, 3706, 5416, 7412, 10832, 11509, 14824, 23018, 29648, 46036, 73793, 92072, 147586, 184144, 295172, 590344, 1180688, 1254481, 2508962, 5017924, 10035848, 20071696]

約数ペア:

[(1, 20071696), (2, 10035848), (4, 5017924), (8, 2508962), (16, 1254481), (17, 1180688), (34, 590344), (68, 295172), (109, 184144), (136, 147586), (218, 92072), (272, 73793), (436, 46036), (677, 29648), (872, 23018), (1354, 14824), (1744, 11509), (1853, 10832), (2708, 7412), (3706, 5416)]