20554200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:642

約数の個数: 144

約数和(自身を含む): 72781800

約数和(自身を除く): 52227600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 50, 57, 60, 72, 75, 76, 90, 95, 100, 114, 120, 150, 152, 171, 180, 190, 200, 225, 228, 285, 300, 342, 360, 380, 450, 456, 475, 570, 600, 601, 684, 760, 855, 900, 950, 1140, 1202, 1368, 1425, 1710, 1800, 1803, 1900, 2280, 2404, 2850, 3005, 3420, 3606, 3800, 4275, 4808, 5409, 5700, 6010, 6840, 7212, 8550, 9015, 10818, 11400, 11419, 12020, 14424, 15025, 17100, 18030, 21636, 22838, 24040, 27045, 30050, 34200, 34257, 36060, 43272, 45075, 45676, 54090, 57095, 60100, 68514, 72120, 90150, 91352, 102771, 108180, 114190, 120200, 135225, 137028, 171285, 180300, 205542, 216360, 228380, 270450, 274056, 285475, 342570, 360600, 411084, 456760, 513855, 540900, 570950, 685140, 822168, 856425, 1027710, 1081800, 1141900, 1370280, 1712850, 2055420, 2283800, 2569275, 3425700, 4110840, 5138550, 6851400, 10277100, 20554200]

約数ペア:

[(1, 20554200), (2, 10277100), (3, 6851400), (4, 5138550), (5, 4110840), (6, 3425700), (8, 2569275), (9, 2283800), (10, 2055420), (12, 1712850), (15, 1370280), (18, 1141900), (19, 1081800), (20, 1027710), (24, 856425), (25, 822168), (30, 685140), (36, 570950), (38, 540900), (40, 513855), (45, 456760), (50, 411084), (57, 360600), (60, 342570), (72, 285475), (75, 274056), (76, 270450), (90, 228380), (95, 216360), (100, 205542), (114, 180300), (120, 171285), (150, 137028), (152, 135225), (171, 120200), (180, 114190), (190, 108180), (200, 102771), (225, 91352), (228, 90150), (285, 72120), (300, 68514), (342, 60100), (360, 57095), (380, 54090), (450, 45676), (456, 45075), (475, 43272), (570, 36060), (600, 34257), (601, 34200), (684, 30050), (760, 27045), (855, 24040), (900, 22838), (950, 21636), (1140, 18030), (1202, 17100), (1368, 15025), (1425, 14424), (1710, 12020), (1800, 11419), (1803, 11400), (1900, 10818), (2280, 9015), (2404, 8550), (2850, 7212), (3005, 6840), (3420, 6010), (3606, 5700), (3800, 5409), (4275, 4808)]