20922000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{317}}^1$

素因数の和:354

約数の個数: 160

約数和(自身を含む): 73816704

約数和(自身を除く): 52894704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 100, 110, 120, 125, 132, 150, 165, 176, 200, 220, 240, 250, 264, 275, 300, 317, 330, 375, 400, 440, 500, 528, 550, 600, 634, 660, 750, 825, 880, 951, 1000, 1100, 1200, 1268, 1320, 1375, 1500, 1585, 1650, 1902, 2000, 2200, 2536, 2640, 2750, 3000, 3170, 3300, 3487, 3804, 4125, 4400, 4755, 5072, 5500, 6000, 6340, 6600, 6974, 7608, 7925, 8250, 9510, 10461, 11000, 12680, 13200, 13948, 15216, 15850, 16500, 17435, 19020, 20922, 22000, 23775, 25360, 27896, 31700, 33000, 34870, 38040, 39625, 41844, 47550, 52305, 55792, 63400, 66000, 69740, 76080, 79250, 83688, 87175, 95100, 104610, 118875, 126800, 139480, 158500, 167376, 174350, 190200, 209220, 237750, 261525, 278960, 317000, 348700, 380400, 418440, 435875, 475500, 523050, 634000, 697400, 836880, 871750, 951000, 1046100, 1307625, 1394800, 1743500, 1902000, 2092200, 2615250, 3487000, 4184400, 5230500, 6974000, 10461000, 20922000]

約数ペア:

[(1, 20922000), (2, 10461000), (3, 6974000), (4, 5230500), (5, 4184400), (6, 3487000), (8, 2615250), (10, 2092200), (11, 1902000), (12, 1743500), (15, 1394800), (16, 1307625), (20, 1046100), (22, 951000), (24, 871750), (25, 836880), (30, 697400), (33, 634000), (40, 523050), (44, 475500), (48, 435875), (50, 418440), (55, 380400), (60, 348700), (66, 317000), (75, 278960), (80, 261525), (88, 237750), (100, 209220), (110, 190200), (120, 174350), (125, 167376), (132, 158500), (150, 139480), (165, 126800), (176, 118875), (200, 104610), (220, 95100), (240, 87175), (250, 83688), (264, 79250), (275, 76080), (300, 69740), (317, 66000), (330, 63400), (375, 55792), (400, 52305), (440, 47550), (500, 41844), (528, 39625), (550, 38040), (600, 34870), (634, 33000), (660, 31700), (750, 27896), (825, 25360), (880, 23775), (951, 22000), (1000, 20922), (1100, 19020), (1200, 17435), (1268, 16500), (1320, 15850), (1375, 15216), (1500, 13948), (1585, 13200), (1650, 12680), (1902, 11000), (2000, 10461), (2200, 9510), (2536, 8250), (2640, 7925), (2750, 7608), (3000, 6974), (3170, 6600), (3300, 6340), (3487, 6000), (3804, 5500), (4125, 5072), (4400, 4755)]