20705728

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19031}}^1$

素因数の和:19060

約数の個数: 28

約数和(自身を含む): 43507152

約数和(自身を除く): 22801424

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19031, 38062, 76124, 152248, 304496, 323527, 608992, 647054, 1217984, 1294108, 2588216, 5176432, 10352864, 20705728]

約数ペア:

[(1, 20705728), (2, 10352864), (4, 5176432), (8, 2588216), (16, 1294108), (17, 1217984), (32, 647054), (34, 608992), (64, 323527), (68, 304496), (136, 152248), (272, 76124), (544, 38062), (1088, 19031)]