20097516

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 49736960

約数和(自身を除く): 29639444

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 181, 228, 362, 487, 543, 724, 974, 1086, 1461, 1948, 2172, 2922, 3439, 5844, 6878, 9253, 10317, 13756, 18506, 20634, 27759, 37012, 41268, 55518, 88147, 111036, 176294, 264441, 352588, 528882, 1057764, 1674793, 3349586, 5024379, 6699172, 10048758, 20097516]

約数ペア:

[(1, 20097516), (2, 10048758), (3, 6699172), (4, 5024379), (6, 3349586), (12, 1674793), (19, 1057764), (38, 528882), (57, 352588), (76, 264441), (114, 176294), (181, 111036), (228, 88147), (362, 55518), (487, 41268), (543, 37012), (724, 27759), (974, 20634), (1086, 18506), (1461, 13756), (1948, 10317), (2172, 9253), (2922, 6878), (3439, 5844)]