20687168

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10427}}^1$

素因数の和:10470

約数の個数: 28

約数和(自身を含む): 42379392

約数和(自身を除く): 21692224

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10427, 20854, 41708, 83416, 166832, 323237, 333664, 646474, 667328, 1292948, 2585896, 5171792, 10343584, 20687168]

約数ペア:

[(1, 20687168), (2, 10343584), (4, 5171792), (8, 2585896), (16, 1292948), (31, 667328), (32, 646474), (62, 333664), (64, 323237), (124, 166832), (248, 83416), (496, 41708), (992, 20854), (1984, 10427)]