20749478

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 24

約数和(自身を含む): 33074496

約数和(自身を除く): 12325018

約数列:

[1, 2, 31, 43, 62, 86, 181, 362, 1333, 1849, 2666, 3698, 5611, 7783, 11222, 15566, 57319, 114638, 241273, 334669, 482546, 669338, 10374739, 20749478]

約数ペア:

[(1, 20749478), (2, 10374739), (31, 669338), (43, 482546), (62, 334669), (86, 241273), (181, 114638), (362, 57319), (1333, 15566), (1849, 11222), (2666, 7783), (3698, 5611)]