20165965420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{4093}}^1$

素因数の和:4499

約数の個数: 96

約数和(自身を含む): 46029791808

約数和(自身を除く): 25863826388

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, 4093, 5729, 6740, 7310, 8186, 11458, 14491, 14620, 16372, 20465, 22916, 28645, 28982, 40930, 57290, 57964, 69581, 72455, 81860, 114580, 139162, 144910, 175999, 246347, 278324, 289820, 347905, 351998, 492694, 695810, 703996, 879995, 985388, 1231735, 1379341, 1391620, 1759990, 2463470, 2758682, 2991983, 3519980, 4926940, 5517364, 5983966, 6896705, 11967932, 13793410, 14959915, 23448797, 27586820, 29919830, 46897594, 59311663, 59839660, 93795188, 117243985, 118623326, 234487970, 237246652, 296558315, 468975940, 593116630, 1008298271, 1186233260, 2016596542, 4033193084, 5041491355, 10082982710, 20165965420]

約数ペア:

[(1, 20165965420), (2, 10082982710), (4, 5041491355), (5, 4033193084), (10, 2016596542), (17, 1186233260), (20, 1008298271), (34, 593116630), (43, 468975940), (68, 296558315), (85, 237246652), (86, 234487970), (170, 118623326), (172, 117243985), (215, 93795188), (337, 59839660), (340, 59311663), (430, 46897594), (674, 29919830), (731, 27586820), (860, 23448797), (1348, 14959915), (1462, 13793410), (1685, 11967932), (2924, 6896705), (3370, 5983966), (3655, 5517364), (4093, 4926940), (5729, 3519980), (6740, 2991983), (7310, 2758682), (8186, 2463470), (11458, 1759990), (14491, 1391620), (14620, 1379341), (16372, 1231735), (20465, 985388), (22916, 879995), (28645, 703996), (28982, 695810), (40930, 492694), (57290, 351998), (57964, 347905), (69581, 289820), (72455, 278324), (81860, 246347), (114580, 175999), (139162, 144910)]