20967597870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1787519}}^1$

素因数の和:1787569

約数の個数: 64

約数和(自身を含む): 55599022080

約数和(自身を除く): 34631424210

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 115, 138, 170, 230, 255, 345, 391, 510, 690, 782, 1173, 1955, 2346, 3910, 5865, 11730, 1787519, 3575038, 5362557, 8937595, 10725114, 17875190, 26812785, 30387823, 41112937, 53625570, 60775646, 82225874, 91163469, 123338811, 151939115, 182326938, 205564685, 246677622, 303878230, 411129370, 455817345, 616694055, 698919929, 911634690, 1233388110, 1397839858, 2096759787, 3494599645, 4193519574, 6989199290, 10483798935, 20967597870]

約数ペア:

[(1, 20967597870), (2, 10483798935), (3, 6989199290), (5, 4193519574), (6, 3494599645), (10, 2096759787), (15, 1397839858), (17, 1233388110), (23, 911634690), (30, 698919929), (34, 616694055), (46, 455817345), (51, 411129370), (69, 303878230), (85, 246677622), (102, 205564685), (115, 182326938), (138, 151939115), (170, 123338811), (230, 91163469), (255, 82225874), (345, 60775646), (391, 53625570), (510, 41112937), (690, 30387823), (782, 26812785), (1173, 17875190), (1955, 10725114), (2346, 8937595), (3910, 5362557), (5865, 3575038), (11730, 1787519)]