20156111540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{4091}}^1$

素因数の和:4497

約数の個数: 96

約数和(自身を含む): 46007305344

約数和(自身を除く): 25851193804

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 337, 340, 430, 674, 731, 860, 1348, 1462, 1685, 2924, 3370, 3655, 4091, 5729, 6740, 7310, 8182, 11458, 14491, 14620, 16364, 20455, 22916, 28645, 28982, 40910, 57290, 57964, 69547, 72455, 81820, 114580, 139094, 144910, 175913, 246347, 278188, 289820, 347735, 351826, 492694, 695470, 703652, 879565, 985388, 1231735, 1378667, 1390940, 1759130, 2463470, 2757334, 2990521, 3518260, 4926940, 5514668, 5981042, 6893335, 11962084, 13786670, 14952605, 23437339, 27573340, 29905210, 46874678, 59282681, 59810420, 93749356, 117186695, 118565362, 234373390, 237130724, 296413405, 468746780, 592826810, 1007805577, 1185653620, 2015611154, 4031222308, 5039027885, 10078055770, 20156111540]

約数ペア:

[(1, 20156111540), (2, 10078055770), (4, 5039027885), (5, 4031222308), (10, 2015611154), (17, 1185653620), (20, 1007805577), (34, 592826810), (43, 468746780), (68, 296413405), (85, 237130724), (86, 234373390), (170, 118565362), (172, 117186695), (215, 93749356), (337, 59810420), (340, 59282681), (430, 46874678), (674, 29905210), (731, 27573340), (860, 23437339), (1348, 14952605), (1462, 13786670), (1685, 11962084), (2924, 6893335), (3370, 5981042), (3655, 5514668), (4091, 4926940), (5729, 3518260), (6740, 2990521), (7310, 2757334), (8182, 2463470), (11458, 1759130), (14491, 1390940), (14620, 1378667), (16364, 1231735), (20455, 985388), (22916, 879565), (28645, 703652), (28982, 695470), (40910, 492694), (57290, 351826), (57964, 347735), (69547, 289820), (72455, 278188), (81820, 246347), (114580, 175913), (139094, 144910)]