20695648

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9109}}^1$

素因数の和:9190

約数の個数: 24

約数和(自身を含む): 41322960

約数和(自身を除く): 20627312

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9109, 18218, 36436, 72872, 145744, 291488, 646739, 1293478, 2586956, 5173912, 10347824, 20695648]

約数ペア:

[(1, 20695648), (2, 10347824), (4, 5173912), (8, 2586956), (16, 1293478), (32, 646739), (71, 291488), (142, 145744), (284, 72872), (568, 36436), (1136, 18218), (2272, 9109)]