20646207680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{1571}}^1\times {\mathrm{5867}}^1$

素因数の和:7462

約数の個数: 112

約数和(自身を含む): 56232527616

約数和(自身を除く): 35586319936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 1571, 2240, 3142, 5867, 6284, 7855, 10997, 11734, 12568, 15710, 21994, 23468, 25136, 29335, 31420, 41069, 43988, 46936, 50272, 54985, 58670, 62840, 82138, 87976, 93872, 100544, 109970, 117340, 125680, 164276, 175952, 187744, 205345, 219940, 234680, 251360, 328552, 351904, 375488, 410690, 439880, 469360, 502720, 657104, 703808, 821380, 879760, 938720, 1314208, 1642760, 1759520, 1877440, 2628416, 3285520, 3519040, 6571040, 9217057, 13142080, 18434114, 36868228, 46085285, 64519399, 73736456, 92170570, 129038798, 147472912, 184341140, 258077596, 294945824, 322596995, 368682280, 516155192, 589891648, 645193990, 737364560, 1032310384, 1290387980, 1474729120, 2064620768, 2580775960, 2949458240, 4129241536, 5161551920, 10323103840, 20646207680]

約数ペア:

[(1, 20646207680), (2, 10323103840), (4, 5161551920), (5, 4129241536), (7, 2949458240), (8, 2580775960), (10, 2064620768), (14, 1474729120), (16, 1290387980), (20, 1032310384), (28, 737364560), (32, 645193990), (35, 589891648), (40, 516155192), (56, 368682280), (64, 322596995), (70, 294945824), (80, 258077596), (112, 184341140), (140, 147472912), (160, 129038798), (224, 92170570), (280, 73736456), (320, 64519399), (448, 46085285), (560, 36868228), (1120, 18434114), (1571, 13142080), (2240, 9217057), (3142, 6571040), (5867, 3519040), (6284, 3285520), (7855, 2628416), (10997, 1877440), (11734, 1759520), (12568, 1642760), (15710, 1314208), (21994, 938720), (23468, 879760), (25136, 821380), (29335, 703808), (31420, 657104), (41069, 502720), (43988, 469360), (46936, 439880), (50272, 410690), (54985, 375488), (58670, 351904), (62840, 328552), (82138, 251360), (87976, 234680), (93872, 219940), (100544, 205345), (109970, 187744), (117340, 175952), (125680, 164276)]