20946120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 70156800

約数和(自身を除く): 49210680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 435, 463, 520, 580, 696, 754, 780, 870, 926, 1131, 1160, 1389, 1508, 1560, 1740, 1852, 1885, 2262, 2315, 2778, 3016, 3480, 3704, 3770, 4524, 4630, 5556, 5655, 6019, 6945, 7540, 9048, 9260, 11112, 11310, 12038, 13427, 13890, 15080, 18057, 18520, 22620, 24076, 26854, 27780, 30095, 36114, 40281, 45240, 48152, 53708, 55560, 60190, 67135, 72228, 80562, 90285, 107416, 120380, 134270, 144456, 161124, 174551, 180570, 201405, 240760, 268540, 322248, 349102, 361140, 402810, 523653, 537080, 698204, 722280, 805620, 872755, 1047306, 1396408, 1611240, 1745510, 2094612, 2618265, 3491020, 4189224, 5236530, 6982040, 10473060, 20946120]

約数ペア:

[(1, 20946120), (2, 10473060), (3, 6982040), (4, 5236530), (5, 4189224), (6, 3491020), (8, 2618265), (10, 2094612), (12, 1745510), (13, 1611240), (15, 1396408), (20, 1047306), (24, 872755), (26, 805620), (29, 722280), (30, 698204), (39, 537080), (40, 523653), (52, 402810), (58, 361140), (60, 349102), (65, 322248), (78, 268540), (87, 240760), (104, 201405), (116, 180570), (120, 174551), (130, 161124), (145, 144456), (156, 134270), (174, 120380), (195, 107416), (232, 90285), (260, 80562), (290, 72228), (312, 67135), (348, 60190), (377, 55560), (390, 53708), (435, 48152), (463, 45240), (520, 40281), (580, 36114), (696, 30095), (754, 27780), (780, 26854), (870, 24076), (926, 22620), (1131, 18520), (1160, 18057), (1389, 15080), (1508, 13890), (1560, 13427), (1740, 12038), (1852, 11310), (1885, 11112), (2262, 9260), (2315, 9048), (2778, 7540), (3016, 6945), (3480, 6019), (3704, 5655), (3770, 5556), (4524, 4630)]