20192156720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{46219}}^1$

素因数の和:46402

約数の個数: 80

約数和(自身を含む): 48417853440

約数和(自身を除く): 28225696720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 127, 172, 215, 254, 344, 430, 508, 635, 688, 860, 1016, 1270, 1720, 2032, 2540, 3440, 5080, 5461, 10160, 10922, 21844, 27305, 43688, 46219, 54610, 87376, 92438, 109220, 184876, 218440, 231095, 369752, 436880, 462190, 739504, 924380, 1848760, 1987417, 3697520, 3974834, 5869813, 7949668, 9937085, 11739626, 15899336, 19874170, 23479252, 29349065, 31798672, 39748340, 46958504, 58698130, 79496680, 93917008, 117396260, 158993360, 234792520, 252401959, 469585040, 504803918, 1009607836, 1262009795, 2019215672, 2524019590, 4038431344, 5048039180, 10096078360, 20192156720]

約数ペア:

[(1, 20192156720), (2, 10096078360), (4, 5048039180), (5, 4038431344), (8, 2524019590), (10, 2019215672), (16, 1262009795), (20, 1009607836), (40, 504803918), (43, 469585040), (80, 252401959), (86, 234792520), (127, 158993360), (172, 117396260), (215, 93917008), (254, 79496680), (344, 58698130), (430, 46958504), (508, 39748340), (635, 31798672), (688, 29349065), (860, 23479252), (1016, 19874170), (1270, 15899336), (1720, 11739626), (2032, 9937085), (2540, 7949668), (3440, 5869813), (5080, 3974834), (5461, 3697520), (10160, 1987417), (10922, 1848760), (21844, 924380), (27305, 739504), (43688, 462190), (46219, 436880), (54610, 369752), (87376, 231095), (92438, 218440), (109220, 184876)]