20234696

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 19941304

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 239, 478, 557, 956, 1114, 1912, 2228, 4456, 4541, 9082, 10583, 18164, 21166, 36328, 42332, 84664, 133123, 266246, 532492, 1064984, 2529337, 5058674, 10117348, 20234696]

約数ペア:

[(1, 20234696), (2, 10117348), (4, 5058674), (8, 2529337), (19, 1064984), (38, 532492), (76, 266246), (152, 133123), (239, 84664), (478, 42332), (557, 36328), (956, 21166), (1114, 18164), (1912, 10583), (2228, 9082), (4456, 4541)]