20985300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{3331}}^1$

素因数の和:3358

約数の個数: 108

約数和(自身を含む): 75196576

約数和(自身を除く): 54211276

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 3331, 6300, 6662, 9993, 13324, 16655, 19986, 23317, 29979, 33310, 39972, 46634, 49965, 59958, 66620, 69951, 83275, 93268, 99930, 116585, 119916, 139902, 149895, 166550, 199860, 209853, 233170, 249825, 279804, 299790, 333100, 349755, 419706, 466340, 499650, 582925, 599580, 699510, 749475, 839412, 999300, 1049265, 1165850, 1399020, 1498950, 1748775, 2098530, 2331700, 2997900, 3497550, 4197060, 5246325, 6995100, 10492650, 20985300]

約数ペア:

[(1, 20985300), (2, 10492650), (3, 6995100), (4, 5246325), (5, 4197060), (6, 3497550), (7, 2997900), (9, 2331700), (10, 2098530), (12, 1748775), (14, 1498950), (15, 1399020), (18, 1165850), (20, 1049265), (21, 999300), (25, 839412), (28, 749475), (30, 699510), (35, 599580), (36, 582925), (42, 499650), (45, 466340), (50, 419706), (60, 349755), (63, 333100), (70, 299790), (75, 279804), (84, 249825), (90, 233170), (100, 209853), (105, 199860), (126, 166550), (140, 149895), (150, 139902), (175, 119916), (180, 116585), (210, 99930), (225, 93268), (252, 83275), (300, 69951), (315, 66620), (350, 59958), (420, 49965), (450, 46634), (525, 39972), (630, 33310), (700, 29979), (900, 23317), (1050, 19986), (1260, 16655), (1575, 13324), (2100, 9993), (3150, 6662), (3331, 6300)]