20464112

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{55609}}^1$

素因数の和:55640

約数の個数: 20

約数和(自身を含む): 41373840

約数和(自身を除く): 20909728

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 55609, 111218, 222436, 444872, 889744, 1279007, 2558014, 5116028, 10232056, 20464112]

約数ペア:

[(1, 20464112), (2, 10232056), (4, 5116028), (8, 2558014), (16, 1279007), (23, 889744), (46, 444872), (92, 222436), (184, 111218), (368, 55609)]