20199377359

素因数分解:

$7^3\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{5003}}^1$

素因数の和:5252

約数の個数: 32

約数和(自身を含む): 24019200000

約数和(自身を除く): 3819822641

約数列:

[1, 7, 49, 79, 149, 343, 553, 1043, 3871, 5003, 7301, 11771, 27097, 35021, 51107, 82397, 245147, 395237, 576779, 745447, 1716029, 2766659, 4037453, 5218129, 19366613, 36526903, 58890313, 135566291, 255688321, 412232191, 2885625337, 20199377359]

約数ペア:

[(1, 20199377359), (7, 2885625337), (49, 412232191), (79, 255688321), (149, 135566291), (343, 58890313), (553, 36526903), (1043, 19366613), (3871, 5218129), (5003, 4037453), (7301, 2766659), (11771, 1716029), (27097, 745447), (35021, 576779), (51107, 395237), (82397, 245147)]