20130764420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5647}}^1\times {\mathrm{13711}}^1$

素因数の和:19380

約数の個数: 48

約数和(自身を含む): 45537881088

約数和(自身を除く): 25407116668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5647, 11294, 13711, 22588, 27422, 28235, 54844, 56470, 68555, 73411, 112940, 137110, 146822, 178243, 274220, 293644, 356486, 367055, 712972, 734110, 891215, 1468220, 1782430, 3564860, 77426017, 154852034, 309704068, 387130085, 774260170, 1006538221, 1548520340, 2013076442, 4026152884, 5032691105, 10065382210, 20130764420]

約数ペア:

[(1, 20130764420), (2, 10065382210), (4, 5032691105), (5, 4026152884), (10, 2013076442), (13, 1548520340), (20, 1006538221), (26, 774260170), (52, 387130085), (65, 309704068), (130, 154852034), (260, 77426017), (5647, 3564860), (11294, 1782430), (13711, 1468220), (22588, 891215), (27422, 734110), (28235, 712972), (54844, 367055), (56470, 356486), (68555, 293644), (73411, 274220), (112940, 178243), (137110, 146822)]