20091930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 51408000

約数和(自身を除く): 31316070

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 101, 114, 190, 202, 285, 303, 349, 505, 570, 606, 698, 1010, 1047, 1515, 1745, 1919, 2094, 3030, 3490, 3838, 5235, 5757, 6631, 9595, 10470, 11514, 13262, 19190, 19893, 28785, 33155, 35249, 39786, 57570, 66310, 70498, 99465, 105747, 176245, 198930, 211494, 352490, 528735, 669731, 1057470, 1339462, 2009193, 3348655, 4018386, 6697310, 10045965, 20091930]

約数ペア:

[(1, 20091930), (2, 10045965), (3, 6697310), (5, 4018386), (6, 3348655), (10, 2009193), (15, 1339462), (19, 1057470), (30, 669731), (38, 528735), (57, 352490), (95, 211494), (101, 198930), (114, 176245), (190, 105747), (202, 99465), (285, 70498), (303, 66310), (349, 57570), (505, 39786), (570, 35249), (606, 33155), (698, 28785), (1010, 19893), (1047, 19190), (1515, 13262), (1745, 11514), (1919, 10470), (2094, 9595), (3030, 6631), (3490, 5757), (3838, 5235)]