20735400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{4937}}^1$

素因数の和:4963

約数の個数: 96

約数和(自身を含む): 73477440

約数和(自身を除く): 52742040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 4937, 9874, 14811, 19748, 24685, 29622, 34559, 39496, 49370, 59244, 69118, 74055, 98740, 103677, 118488, 123425, 138236, 148110, 172795, 197480, 207354, 246850, 276472, 296220, 345590, 370275, 414708, 493700, 518385, 592440, 691180, 740550, 829416, 863975, 987400, 1036770, 1382360, 1481100, 1727950, 2073540, 2591925, 2962200, 3455900, 4147080, 5183850, 6911800, 10367700, 20735400]

約数ペア:

[(1, 20735400), (2, 10367700), (3, 6911800), (4, 5183850), (5, 4147080), (6, 3455900), (7, 2962200), (8, 2591925), (10, 2073540), (12, 1727950), (14, 1481100), (15, 1382360), (20, 1036770), (21, 987400), (24, 863975), (25, 829416), (28, 740550), (30, 691180), (35, 592440), (40, 518385), (42, 493700), (50, 414708), (56, 370275), (60, 345590), (70, 296220), (75, 276472), (84, 246850), (100, 207354), (105, 197480), (120, 172795), (140, 148110), (150, 138236), (168, 123425), (175, 118488), (200, 103677), (210, 98740), (280, 74055), (300, 69118), (350, 59244), (420, 49370), (525, 39496), (600, 34559), (700, 29622), (840, 24685), (1050, 19748), (1400, 14811), (2100, 9874), (4200, 4937)]