20339918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{2221}}^1$

素因数の和:2483

約数の個数: 16

約数和(自身を含む): 32263440

約数和(自身を除く): 11923522

約数列:

[1, 2, 19, 38, 241, 482, 2221, 4442, 4579, 9158, 42199, 84398, 535261, 1070522, 10169959, 20339918]

約数ペア:

[(1, 20339918), (2, 10169959), (19, 1070522), (38, 535261), (241, 84398), (482, 42199), (2221, 9158), (4442, 4579)]