20907000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 192

約数和(自身を含む): 74468160

約数和(自身を除く): 53561160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 25, 30, 36, 40, 45, 46, 50, 60, 69, 72, 75, 90, 92, 100, 101, 115, 120, 125, 138, 150, 180, 184, 200, 202, 207, 225, 230, 250, 276, 300, 303, 345, 360, 375, 404, 414, 450, 460, 500, 505, 552, 575, 600, 606, 690, 750, 808, 828, 900, 909, 920, 1000, 1010, 1035, 1125, 1150, 1212, 1380, 1500, 1515, 1656, 1725, 1800, 1818, 2020, 2070, 2250, 2300, 2323, 2424, 2525, 2760, 2875, 3000, 3030, 3450, 3636, 4040, 4140, 4500, 4545, 4600, 4646, 5050, 5175, 5750, 6060, 6900, 6969, 7272, 7575, 8280, 8625, 9000, 9090, 9292, 10100, 10350, 11500, 11615, 12120, 12625, 13800, 13938, 15150, 17250, 18180, 18584, 20200, 20700, 20907, 22725, 23000, 23230, 25250, 25875, 27876, 30300, 34500, 34845, 36360, 37875, 41400, 41814, 45450, 46460, 50500, 51750, 55752, 58075, 60600, 69000, 69690, 75750, 83628, 90900, 92920, 101000, 103500, 104535, 113625, 116150, 139380, 151500, 167256, 174225, 181800, 207000, 209070, 227250, 232300, 278760, 290375, 303000, 348450, 418140, 454500, 464600, 522675, 580750, 696900, 836280, 871125, 909000, 1045350, 1161500, 1393800, 1742250, 2090700, 2323000, 2613375, 3484500, 4181400, 5226750, 6969000, 10453500, 20907000]

約数ペア:

[(1, 20907000), (2, 10453500), (3, 6969000), (4, 5226750), (5, 4181400), (6, 3484500), (8, 2613375), (9, 2323000), (10, 2090700), (12, 1742250), (15, 1393800), (18, 1161500), (20, 1045350), (23, 909000), (24, 871125), (25, 836280), (30, 696900), (36, 580750), (40, 522675), (45, 464600), (46, 454500), (50, 418140), (60, 348450), (69, 303000), (72, 290375), (75, 278760), (90, 232300), (92, 227250), (100, 209070), (101, 207000), (115, 181800), (120, 174225), (125, 167256), (138, 151500), (150, 139380), (180, 116150), (184, 113625), (200, 104535), (202, 103500), (207, 101000), (225, 92920), (230, 90900), (250, 83628), (276, 75750), (300, 69690), (303, 69000), (345, 60600), (360, 58075), (375, 55752), (404, 51750), (414, 50500), (450, 46460), (460, 45450), (500, 41814), (505, 41400), (552, 37875), (575, 36360), (600, 34845), (606, 34500), (690, 30300), (750, 27876), (808, 25875), (828, 25250), (900, 23230), (909, 23000), (920, 22725), (1000, 20907), (1010, 20700), (1035, 20200), (1125, 18584), (1150, 18180), (1212, 17250), (1380, 15150), (1500, 13938), (1515, 13800), (1656, 12625), (1725, 12120), (1800, 11615), (1818, 11500), (2020, 10350), (2070, 10100), (2250, 9292), (2300, 9090), (2323, 9000), (2424, 8625), (2525, 8280), (2760, 7575), (2875, 7272), (3000, 6969), (3030, 6900), (3450, 6060), (3636, 5750), (4040, 5175), (4140, 5050), (4500, 4646), (4545, 4600)]