20512187760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{23827}}^1$

素因数の和:24071

約数の個数: 160

約数和(自身を含む): 67650170112

約数和(自身を除く): 47137982352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 211, 240, 255, 272, 340, 408, 422, 510, 633, 680, 816, 844, 1020, 1055, 1266, 1360, 1688, 2040, 2110, 2532, 3165, 3376, 3587, 4080, 4220, 5064, 6330, 7174, 8440, 10128, 10761, 12660, 14348, 16880, 17935, 21522, 23827, 25320, 28696, 35870, 43044, 47654, 50640, 53805, 57392, 71481, 71740, 86088, 95308, 107610, 119135, 142962, 143480, 172176, 190616, 215220, 238270, 285924, 286960, 357405, 381232, 405059, 430440, 476540, 571848, 714810, 810118, 860880, 953080, 1143696, 1215177, 1429620, 1620236, 1906160, 2025295, 2430354, 2859240, 3240472, 4050590, 4860708, 5027497, 5718480, 6075885, 6480944, 8101180, 9721416, 10054994, 12151770, 15082491, 16202360, 19442832, 20109988, 24303540, 25137485, 30164982, 32404720, 40219976, 48607080, 50274970, 60329964, 75412455, 80439952, 85467449, 97214160, 100549940, 120659928, 150824910, 170934898, 201099880, 241319856, 256402347, 301649820, 341869796, 402199760, 427337245, 512804694, 603299640, 683739592, 854674490, 1025609388, 1206599280, 1282011735, 1367479184, 1709348980, 2051218776, 2564023470, 3418697960, 4102437552, 5128046940, 6837395920, 10256093880, 20512187760]

約数ペア:

[(1, 20512187760), (2, 10256093880), (3, 6837395920), (4, 5128046940), (5, 4102437552), (6, 3418697960), (8, 2564023470), (10, 2051218776), (12, 1709348980), (15, 1367479184), (16, 1282011735), (17, 1206599280), (20, 1025609388), (24, 854674490), (30, 683739592), (34, 603299640), (40, 512804694), (48, 427337245), (51, 402199760), (60, 341869796), (68, 301649820), (80, 256402347), (85, 241319856), (102, 201099880), (120, 170934898), (136, 150824910), (170, 120659928), (204, 100549940), (211, 97214160), (240, 85467449), (255, 80439952), (272, 75412455), (340, 60329964), (408, 50274970), (422, 48607080), (510, 40219976), (633, 32404720), (680, 30164982), (816, 25137485), (844, 24303540), (1020, 20109988), (1055, 19442832), (1266, 16202360), (1360, 15082491), (1688, 12151770), (2040, 10054994), (2110, 9721416), (2532, 8101180), (3165, 6480944), (3376, 6075885), (3587, 5718480), (4080, 5027497), (4220, 4860708), (5064, 4050590), (6330, 3240472), (7174, 2859240), (8440, 2430354), (10128, 2025295), (10761, 1906160), (12660, 1620236), (14348, 1429620), (16880, 1215177), (17935, 1143696), (21522, 953080), (23827, 860880), (25320, 810118), (28696, 714810), (35870, 571848), (43044, 476540), (47654, 430440), (50640, 405059), (53805, 381232), (57392, 357405), (71481, 286960), (71740, 285924), (86088, 238270), (95308, 215220), (107610, 190616), (119135, 172176), (142962, 143480)]