20870032

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9521}}^1$

素因数の和:9666

約数の個数: 20

約数和(自身を含む): 40735116

約数和(自身を除く): 19865084

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9521, 19042, 38084, 76168, 152336, 1304377, 2608754, 5217508, 10435016, 20870032]

約数ペア:

[(1, 20870032), (2, 10435016), (4, 5217508), (8, 2608754), (16, 1304377), (137, 152336), (274, 76168), (548, 38084), (1096, 19042), (2192, 9521)]