20120498556878

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{2339}}^1\times {\mathrm{16879}}^1$

素因数の和:19425

約数の個数: 64

約数和(自身を含む): 31772524492800

約数和(自身を除く): 11652025935922

約数列:

[1, 2, 37, 71, 74, 97, 142, 194, 2339, 2627, 3589, 4678, 5254, 6887, 7178, 13774, 16879, 33758, 86543, 166069, 173086, 226883, 254819, 332138, 453766, 509638, 624523, 1198409, 1249046, 1637263, 2396818, 3274526, 6144553, 8394671, 12289106, 16108693, 16789342, 32217386, 39479981, 44341133, 60578731, 78959962, 88682266, 116245673, 121157462, 232491346, 596021641, 1192043282, 1460759297, 2803078651, 2921518594, 3829558157, 4301089901, 5606157302, 7659116314, 8602179802, 103713910087, 141693651809, 207427820174, 271898629147, 283387303618, 543797258294, 10060249278439, 20120498556878]

約数ペア:

[(1, 20120498556878), (2, 10060249278439), (37, 543797258294), (71, 283387303618), (74, 271898629147), (97, 207427820174), (142, 141693651809), (194, 103713910087), (2339, 8602179802), (2627, 7659116314), (3589, 5606157302), (4678, 4301089901), (5254, 3829558157), (6887, 2921518594), (7178, 2803078651), (13774, 1460759297), (16879, 1192043282), (33758, 596021641), (86543, 232491346), (166069, 121157462), (173086, 116245673), (226883, 88682266), (254819, 78959962), (332138, 60578731), (453766, 44341133), (509638, 39479981), (624523, 32217386), (1198409, 16789342), (1249046, 16108693), (1637263, 12289106), (2396818, 8394671), (3274526, 6144553)]