20217000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 66044160

約数和(自身を除く): 45827160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 60, 69, 75, 92, 100, 115, 120, 125, 138, 150, 184, 200, 230, 250, 276, 293, 300, 345, 375, 460, 500, 552, 575, 586, 600, 690, 750, 879, 920, 1000, 1150, 1172, 1380, 1465, 1500, 1725, 1758, 2300, 2344, 2760, 2875, 2930, 3000, 3450, 3516, 4395, 4600, 5750, 5860, 6739, 6900, 7032, 7325, 8625, 8790, 11500, 11720, 13478, 13800, 14650, 17250, 17580, 20217, 21975, 23000, 26956, 29300, 33695, 34500, 35160, 36625, 40434, 43950, 53912, 58600, 67390, 69000, 73250, 80868, 87900, 101085, 109875, 134780, 146500, 161736, 168475, 175800, 202170, 219750, 269560, 293000, 336950, 404340, 439500, 505425, 673900, 808680, 842375, 879000, 1010850, 1347800, 1684750, 2021700, 2527125, 3369500, 4043400, 5054250, 6739000, 10108500, 20217000]

約数ペア:

[(1, 20217000), (2, 10108500), (3, 6739000), (4, 5054250), (5, 4043400), (6, 3369500), (8, 2527125), (10, 2021700), (12, 1684750), (15, 1347800), (20, 1010850), (23, 879000), (24, 842375), (25, 808680), (30, 673900), (40, 505425), (46, 439500), (50, 404340), (60, 336950), (69, 293000), (75, 269560), (92, 219750), (100, 202170), (115, 175800), (120, 168475), (125, 161736), (138, 146500), (150, 134780), (184, 109875), (200, 101085), (230, 87900), (250, 80868), (276, 73250), (293, 69000), (300, 67390), (345, 58600), (375, 53912), (460, 43950), (500, 40434), (552, 36625), (575, 35160), (586, 34500), (600, 33695), (690, 29300), (750, 26956), (879, 23000), (920, 21975), (1000, 20217), (1150, 17580), (1172, 17250), (1380, 14650), (1465, 13800), (1500, 13478), (1725, 11720), (1758, 11500), (2300, 8790), (2344, 8625), (2760, 7325), (2875, 7032), (2930, 6900), (3000, 6739), (3450, 5860), (3516, 5750), (4395, 4600)]