20779792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3191}}^1$

素因数の和:3247

約数の個数: 40

約数和(自身を含む): 45122112

約数和(自身を除く): 24342320

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3191, 3256, 6382, 6512, 12764, 25528, 35101, 51056, 70202, 118067, 140404, 236134, 280808, 472268, 561616, 944536, 1298737, 1889072, 2597474, 5194948, 10389896, 20779792]

約数ペア:

[(1, 20779792), (2, 10389896), (4, 5194948), (8, 2597474), (11, 1889072), (16, 1298737), (22, 944536), (37, 561616), (44, 472268), (74, 280808), (88, 236134), (148, 140404), (176, 118067), (296, 70202), (407, 51056), (592, 35101), (814, 25528), (1628, 12764), (3191, 6512), (3256, 6382)]