20400600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{281}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 69761160

約数和(自身を除く): 49360560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 121, 132, 150, 165, 200, 220, 242, 264, 275, 281, 300, 330, 363, 440, 484, 550, 562, 600, 605, 660, 726, 825, 843, 968, 1100, 1124, 1210, 1320, 1405, 1452, 1650, 1686, 1815, 2200, 2248, 2420, 2810, 2904, 3025, 3091, 3300, 3372, 3630, 4215, 4840, 5620, 6050, 6182, 6600, 6744, 7025, 7260, 8430, 9075, 9273, 11240, 12100, 12364, 14050, 14520, 15455, 16860, 18150, 18546, 21075, 24200, 24728, 28100, 30910, 33720, 34001, 36300, 37092, 42150, 46365, 56200, 61820, 68002, 72600, 74184, 77275, 84300, 92730, 102003, 123640, 136004, 154550, 168600, 170005, 185460, 204006, 231825, 272008, 309100, 340010, 370920, 408012, 463650, 510015, 618200, 680020, 816024, 850025, 927300, 1020030, 1360040, 1700050, 1854600, 2040060, 2550075, 3400100, 4080120, 5100150, 6800200, 10200300, 20400600]

約数ペア:

[(1, 20400600), (2, 10200300), (3, 6800200), (4, 5100150), (5, 4080120), (6, 3400100), (8, 2550075), (10, 2040060), (11, 1854600), (12, 1700050), (15, 1360040), (20, 1020030), (22, 927300), (24, 850025), (25, 816024), (30, 680020), (33, 618200), (40, 510015), (44, 463650), (50, 408012), (55, 370920), (60, 340010), (66, 309100), (75, 272008), (88, 231825), (100, 204006), (110, 185460), (120, 170005), (121, 168600), (132, 154550), (150, 136004), (165, 123640), (200, 102003), (220, 92730), (242, 84300), (264, 77275), (275, 74184), (281, 72600), (300, 68002), (330, 61820), (363, 56200), (440, 46365), (484, 42150), (550, 37092), (562, 36300), (600, 34001), (605, 33720), (660, 30910), (726, 28100), (825, 24728), (843, 24200), (968, 21075), (1100, 18546), (1124, 18150), (1210, 16860), (1320, 15455), (1405, 14520), (1452, 14050), (1650, 12364), (1686, 12100), (1815, 11240), (2200, 9273), (2248, 9075), (2420, 8430), (2810, 7260), (2904, 7025), (3025, 6744), (3091, 6600), (3300, 6182), (3372, 6050), (3630, 5620), (4215, 4840)]