20861312

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9587}}^1$

素因数の和:9618

約数の個数: 32

約数和(自身を含む): 44008920

約数和(自身を除く): 23147608

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9587, 19174, 38348, 76696, 153392, 162979, 306784, 325958, 613568, 651916, 1227136, 1303832, 2607664, 5215328, 10430656, 20861312]

約数ペア:

[(1, 20861312), (2, 10430656), (4, 5215328), (8, 2607664), (16, 1303832), (17, 1227136), (32, 651916), (34, 613568), (64, 325958), (68, 306784), (128, 162979), (136, 153392), (272, 76696), (544, 38348), (1088, 19174), (2176, 9587)]