20456445300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{20707}}^1$

素因数の和:20850

約数の個数: 144

約数和(自身を含む): 61472940480

約数和(自身を除く): 41016495180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 60, 74, 75, 89, 100, 111, 148, 150, 178, 185, 222, 267, 300, 356, 370, 444, 445, 534, 555, 740, 890, 925, 1068, 1110, 1335, 1780, 1850, 2220, 2225, 2670, 2775, 3293, 3700, 4450, 5340, 5550, 6586, 6675, 8900, 9879, 11100, 13172, 13350, 16465, 19758, 20707, 26700, 32930, 39516, 41414, 49395, 62121, 65860, 82325, 82828, 98790, 103535, 124242, 164650, 197580, 207070, 246975, 248484, 310605, 329300, 414140, 493950, 517675, 621210, 766159, 987900, 1035350, 1242420, 1532318, 1553025, 1842923, 2070700, 2298477, 3064636, 3106050, 3685846, 3830795, 4596954, 5528769, 6212100, 7371692, 7661590, 9193908, 9214615, 11057538, 11492385, 15323180, 18429230, 19153975, 22115076, 22984770, 27643845, 36858460, 38307950, 45969540, 46073075, 55287690, 57461925, 68188151, 76615900, 92146150, 110575380, 114923850, 136376302, 138219225, 184292300, 204564453, 229847700, 272752604, 276438450, 340940755, 409128906, 552876900, 681881510, 818257812, 1022822265, 1363763020, 1704703775, 2045644530, 3409407550, 4091289060, 5114111325, 6818815100, 10228222650, 20456445300]

約数ペア:

[(1, 20456445300), (2, 10228222650), (3, 6818815100), (4, 5114111325), (5, 4091289060), (6, 3409407550), (10, 2045644530), (12, 1704703775), (15, 1363763020), (20, 1022822265), (25, 818257812), (30, 681881510), (37, 552876900), (50, 409128906), (60, 340940755), (74, 276438450), (75, 272752604), (89, 229847700), (100, 204564453), (111, 184292300), (148, 138219225), (150, 136376302), (178, 114923850), (185, 110575380), (222, 92146150), (267, 76615900), (300, 68188151), (356, 57461925), (370, 55287690), (444, 46073075), (445, 45969540), (534, 38307950), (555, 36858460), (740, 27643845), (890, 22984770), (925, 22115076), (1068, 19153975), (1110, 18429230), (1335, 15323180), (1780, 11492385), (1850, 11057538), (2220, 9214615), (2225, 9193908), (2670, 7661590), (2775, 7371692), (3293, 6212100), (3700, 5528769), (4450, 4596954), (5340, 3830795), (5550, 3685846), (6586, 3106050), (6675, 3064636), (8900, 2298477), (9879, 2070700), (11100, 1842923), (13172, 1553025), (13350, 1532318), (16465, 1242420), (19758, 1035350), (20707, 987900), (26700, 766159), (32930, 621210), (39516, 517675), (41414, 493950), (49395, 414140), (62121, 329300), (65860, 310605), (82325, 248484), (82828, 246975), (98790, 207070), (103535, 197580), (124242, 164650)]