20386579920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{527603}}^1$

素因数の和:527649

約数の個数: 160

約数和(自身を含む): 75367176192

約数和(自身を除く): 54980596272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 805, 840, 920, 966, 1104, 1288, 1380, 1610, 1680, 1840, 1932, 2415, 2576, 2760, 3220, 3864, 4830, 5520, 6440, 7728, 9660, 12880, 19320, 38640, 527603, 1055206, 1582809, 2110412, 2638015, 3165618, 3693221, 4220824, 5276030, 6331236, 7386442, 7914045, 8441648, 10552060, 11079663, 12134869, 12662472, 14772884, 15828090, 18466105, 21104120, 22159326, 24269738, 25324944, 29545768, 31656180, 36404607, 36932210, 42208240, 44318652, 48539476, 55398315, 59091536, 60674345, 63312360, 72809214, 73864420, 84944083, 88637304, 97078952, 110796630, 121348690, 126624720, 145618428, 147728840, 169888166, 177274608, 182023035, 194157904, 221593260, 242697380, 254832249, 291236856, 295457680, 339776332, 364046070, 424720415, 443186520, 485394760, 509664498, 582473712, 679552664, 728092140, 849440830, 886373040, 970789520, 1019328996, 1274161245, 1359105328, 1456184280, 1698881660, 2038657992, 2548322490, 2912368560, 3397763320, 4077315984, 5096644980, 6795526640, 10193289960, 20386579920]

約数ペア:

[(1, 20386579920), (2, 10193289960), (3, 6795526640), (4, 5096644980), (5, 4077315984), (6, 3397763320), (7, 2912368560), (8, 2548322490), (10, 2038657992), (12, 1698881660), (14, 1456184280), (15, 1359105328), (16, 1274161245), (20, 1019328996), (21, 970789520), (23, 886373040), (24, 849440830), (28, 728092140), (30, 679552664), (35, 582473712), (40, 509664498), (42, 485394760), (46, 443186520), (48, 424720415), (56, 364046070), (60, 339776332), (69, 295457680), (70, 291236856), (80, 254832249), (84, 242697380), (92, 221593260), (105, 194157904), (112, 182023035), (115, 177274608), (120, 169888166), (138, 147728840), (140, 145618428), (161, 126624720), (168, 121348690), (184, 110796630), (210, 97078952), (230, 88637304), (240, 84944083), (276, 73864420), (280, 72809214), (322, 63312360), (336, 60674345), (345, 59091536), (368, 55398315), (420, 48539476), (460, 44318652), (483, 42208240), (552, 36932210), (560, 36404607), (644, 31656180), (690, 29545768), (805, 25324944), (840, 24269738), (920, 22159326), (966, 21104120), (1104, 18466105), (1288, 15828090), (1380, 14772884), (1610, 12662472), (1680, 12134869), (1840, 11079663), (1932, 10552060), (2415, 8441648), (2576, 7914045), (2760, 7386442), (3220, 6331236), (3864, 5276030), (4830, 4220824), (5520, 3693221), (6440, 3165618), (7728, 2638015), (9660, 2110412), (12880, 1582809), (19320, 1055206), (38640, 527603)]