20229750

素因数分解:

$2^1\times 3^7\times 5^3\times {\mathrm{37}}^1$

素因数の和:75

約数の個数: 128

約数和(自身を含む): 58331520

約数和(自身を除く): 38101770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 37, 45, 50, 54, 74, 75, 81, 90, 111, 125, 135, 150, 162, 185, 222, 225, 243, 250, 270, 333, 370, 375, 405, 450, 486, 555, 666, 675, 729, 750, 810, 925, 999, 1110, 1125, 1215, 1350, 1458, 1665, 1850, 1998, 2025, 2187, 2250, 2430, 2775, 2997, 3330, 3375, 3645, 4050, 4374, 4625, 4995, 5550, 5994, 6075, 6750, 7290, 8325, 8991, 9250, 9990, 10125, 10935, 12150, 13875, 14985, 16650, 17982, 18225, 20250, 21870, 24975, 26973, 27750, 29970, 30375, 36450, 41625, 44955, 49950, 53946, 54675, 60750, 74925, 80919, 83250, 89910, 91125, 109350, 124875, 134865, 149850, 161838, 182250, 224775, 249750, 269730, 273375, 374625, 404595, 449550, 546750, 674325, 749250, 809190, 1123875, 1348650, 2022975, 2247750, 3371625, 4045950, 6743250, 10114875, 20229750]

約数ペア:

[(1, 20229750), (2, 10114875), (3, 6743250), (5, 4045950), (6, 3371625), (9, 2247750), (10, 2022975), (15, 1348650), (18, 1123875), (25, 809190), (27, 749250), (30, 674325), (37, 546750), (45, 449550), (50, 404595), (54, 374625), (74, 273375), (75, 269730), (81, 249750), (90, 224775), (111, 182250), (125, 161838), (135, 149850), (150, 134865), (162, 124875), (185, 109350), (222, 91125), (225, 89910), (243, 83250), (250, 80919), (270, 74925), (333, 60750), (370, 54675), (375, 53946), (405, 49950), (450, 44955), (486, 41625), (555, 36450), (666, 30375), (675, 29970), (729, 27750), (750, 26973), (810, 24975), (925, 21870), (999, 20250), (1110, 18225), (1125, 17982), (1215, 16650), (1350, 14985), (1458, 13875), (1665, 12150), (1850, 10935), (1998, 10125), (2025, 9990), (2187, 9250), (2250, 8991), (2430, 8325), (2775, 7290), (2997, 6750), (3330, 6075), (3375, 5994), (3645, 5550), (4050, 4995), (4374, 4625)]