20349621860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{37619}}^1$

素因数の和:37725

約数の個数: 96

約数和(自身を含む): 47552883840

約数和(自身を除く): 27203261980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 43, 68, 74, 85, 86, 148, 170, 172, 185, 215, 340, 370, 430, 629, 731, 740, 860, 1258, 1462, 1591, 2516, 2924, 3145, 3182, 3655, 6290, 6364, 7310, 7955, 12580, 14620, 15910, 27047, 31820, 37619, 54094, 75238, 108188, 135235, 150476, 188095, 270470, 376190, 540940, 639523, 752380, 1279046, 1391903, 1617617, 2558092, 2783806, 3197615, 3235234, 5567612, 6395230, 6470468, 6959515, 8088085, 12790460, 13919030, 16176170, 23662351, 27499489, 27838060, 32352340, 47324702, 54998978, 59851829, 94649404, 109997956, 118311755, 119703658, 137497445, 236623510, 239407316, 274994890, 299259145, 473247020, 549989780, 598518290, 1017481093, 1197036580, 2034962186, 4069924372, 5087405465, 10174810930, 20349621860]

約数ペア:

[(1, 20349621860), (2, 10174810930), (4, 5087405465), (5, 4069924372), (10, 2034962186), (17, 1197036580), (20, 1017481093), (34, 598518290), (37, 549989780), (43, 473247020), (68, 299259145), (74, 274994890), (85, 239407316), (86, 236623510), (148, 137497445), (170, 119703658), (172, 118311755), (185, 109997956), (215, 94649404), (340, 59851829), (370, 54998978), (430, 47324702), (629, 32352340), (731, 27838060), (740, 27499489), (860, 23662351), (1258, 16176170), (1462, 13919030), (1591, 12790460), (2516, 8088085), (2924, 6959515), (3145, 6470468), (3182, 6395230), (3655, 5567612), (6290, 3235234), (6364, 3197615), (7310, 2783806), (7955, 2558092), (12580, 1617617), (14620, 1391903), (15910, 1279046), (27047, 752380), (31820, 639523), (37619, 540940), (54094, 376190), (75238, 270470), (108188, 188095), (135235, 150476)]