20274176

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{1523}}^1$

素因数の和:1556

約数の個数: 44

約数和(自身を含む): 43674792

約数和(自身を除く): 23400616

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1523, 1664, 3046, 3328, 6092, 6656, 12184, 13312, 19799, 24368, 39598, 48736, 79196, 97472, 158392, 194944, 316784, 389888, 633568, 779776, 1267136, 1559552, 2534272, 5068544, 10137088, 20274176]

約数ペア:

[(1, 20274176), (2, 10137088), (4, 5068544), (8, 2534272), (13, 1559552), (16, 1267136), (26, 779776), (32, 633568), (52, 389888), (64, 316784), (104, 194944), (128, 158392), (208, 97472), (256, 79196), (416, 48736), (512, 39598), (832, 24368), (1024, 19799), (1523, 13312), (1664, 12184), (3046, 6656), (3328, 6092)]