20326950

素因数分解:

$2^1\times 3^5\times 5^2\times 7^1\times {\mathrm{239}}^1$

素因数の和:273

約数の個数: 144

約数和(自身を含む): 64995840

約数和(自身を除く): 44668890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 126, 135, 150, 162, 175, 189, 210, 225, 239, 243, 270, 315, 350, 378, 405, 450, 478, 486, 525, 567, 630, 675, 717, 810, 945, 1050, 1134, 1195, 1215, 1350, 1434, 1575, 1673, 1701, 1890, 2025, 2151, 2390, 2430, 2835, 3150, 3346, 3402, 3585, 4050, 4302, 4725, 5019, 5670, 5975, 6075, 6453, 7170, 8365, 8505, 9450, 10038, 10755, 11950, 12150, 12906, 14175, 15057, 16730, 17010, 17925, 19359, 21510, 25095, 28350, 30114, 32265, 35850, 38718, 41825, 42525, 45171, 50190, 53775, 58077, 64530, 75285, 83650, 85050, 90342, 96795, 107550, 116154, 125475, 135513, 150570, 161325, 193590, 225855, 250950, 271026, 290385, 322650, 376425, 406539, 451710, 483975, 580770, 677565, 752850, 813078, 967950, 1129275, 1355130, 1451925, 2032695, 2258550, 2903850, 3387825, 4065390, 6775650, 10163475, 20326950]

約数ペア:

[(1, 20326950), (2, 10163475), (3, 6775650), (5, 4065390), (6, 3387825), (7, 2903850), (9, 2258550), (10, 2032695), (14, 1451925), (15, 1355130), (18, 1129275), (21, 967950), (25, 813078), (27, 752850), (30, 677565), (35, 580770), (42, 483975), (45, 451710), (50, 406539), (54, 376425), (63, 322650), (70, 290385), (75, 271026), (81, 250950), (90, 225855), (105, 193590), (126, 161325), (135, 150570), (150, 135513), (162, 125475), (175, 116154), (189, 107550), (210, 96795), (225, 90342), (239, 85050), (243, 83650), (270, 75285), (315, 64530), (350, 58077), (378, 53775), (405, 50190), (450, 45171), (478, 42525), (486, 41825), (525, 38718), (567, 35850), (630, 32265), (675, 30114), (717, 28350), (810, 25095), (945, 21510), (1050, 19359), (1134, 17925), (1195, 17010), (1215, 16730), (1350, 15057), (1434, 14175), (1575, 12906), (1673, 12150), (1701, 11950), (1890, 10755), (2025, 10038), (2151, 9450), (2390, 8505), (2430, 8365), (2835, 7170), (3150, 6453), (3346, 6075), (3402, 5975), (3585, 5670), (4050, 5019), (4302, 4725)]