20164996894

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{578689}}^1$

素因数の和:578848

約数の個数: 32

約数和(自身を含む): 36665798400

約数和(自身を除く): 16500801506

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 262, 266, 917, 1834, 2489, 4978, 17423, 34846, 578689, 1157378, 4050823, 8101646, 10995091, 21990182, 75808259, 76965637, 151616518, 153931274, 530657813, 1061315626, 1440356921, 2880713842, 10082498447, 20164996894]

約数ペア:

[(1, 20164996894), (2, 10082498447), (7, 2880713842), (14, 1440356921), (19, 1061315626), (38, 530657813), (131, 153931274), (133, 151616518), (262, 76965637), (266, 75808259), (917, 21990182), (1834, 10995091), (2489, 8101646), (4978, 4050823), (17423, 1157378), (34846, 578689)]