20161225194

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{680341}}^1$

素因数の和:680806

約数の個数: 32

約数和(自身を含む): 44086161600

約数和(自身を除く): 23924936406

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 449, 898, 1347, 2694, 4939, 9878, 14817, 29634, 680341, 1360682, 2041023, 4082046, 7483751, 14967502, 22451253, 44902506, 305473109, 610946218, 916419327, 1832838654, 3360204199, 6720408398, 10080612597, 20161225194]

約数ペア:

[(1, 20161225194), (2, 10080612597), (3, 6720408398), (6, 3360204199), (11, 1832838654), (22, 916419327), (33, 610946218), (66, 305473109), (449, 44902506), (898, 22451253), (1347, 14967502), (2694, 7483751), (4939, 4082046), (9878, 2041023), (14817, 1360682), (29634, 680341)]