20144984067

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 34368364800

約数和(自身を除く): 14223380733

約数列:

[1, 3, 9, 13, 27, 29, 39, 53, 81, 87, 117, 159, 243, 261, 351, 377, 461, 477, 689, 729, 783, 1053, 1131, 1383, 1431, 1537, 2067, 2187, 2349, 3159, 3393, 4149, 4293, 4611, 5993, 6201, 7047, 9477, 10179, 12447, 12879, 13369, 13833, 17979, 18603, 19981, 21141, 24433, 28431, 30537, 37341, 38637, 40107, 41499, 53937, 55809, 59943, 63423, 73299, 91611, 112023, 115911, 120321, 124497, 161811, 167427, 173797, 179829, 219897, 274833, 317629, 336069, 360963, 373491, 485433, 502281, 521391, 539487, 659691, 708557, 824499, 952887, 1008207, 1082889, 1120473, 1456299, 1506843, 1564173, 1618461, 1979073, 2125671, 2858661, 3248667, 3361419, 4368897, 4692519, 4855383, 5937219, 6377013, 8575983, 9211241, 9746001, 13106691, 14077557, 14566149, 17811657, 19131039, 25727949, 27633723, 29238003, 42232671, 43698447, 53434971, 57393117, 77183847, 82901169, 126698013, 172179351, 231551541, 248703507, 380094039, 516538053, 694654623, 746110521, 1549614159, 2238331563, 6714994689, 20144984067]

約数ペア:

[(1, 20144984067), (3, 6714994689), (9, 2238331563), (13, 1549614159), (27, 746110521), (29, 694654623), (39, 516538053), (53, 380094039), (81, 248703507), (87, 231551541), (117, 172179351), (159, 126698013), (243, 82901169), (261, 77183847), (351, 57393117), (377, 53434971), (461, 43698447), (477, 42232671), (689, 29238003), (729, 27633723), (783, 25727949), (1053, 19131039), (1131, 17811657), (1383, 14566149), (1431, 14077557), (1537, 13106691), (2067, 9746001), (2187, 9211241), (2349, 8575983), (3159, 6377013), (3393, 5937219), (4149, 4855383), (4293, 4692519), (4611, 4368897), (5993, 3361419), (6201, 3248667), (7047, 2858661), (9477, 2125671), (10179, 1979073), (12447, 1618461), (12879, 1564173), (13369, 1506843), (13833, 1456299), (17979, 1120473), (18603, 1082889), (19981, 1008207), (21141, 952887), (24433, 824499), (28431, 708557), (30537, 659691), (37341, 539487), (38637, 521391), (40107, 502281), (41499, 485433), (53937, 373491), (55809, 360963), (59943, 336069), (63423, 317629), (73299, 274833), (91611, 219897), (112023, 179829), (115911, 173797), (120321, 167427), (124497, 161811)]