20201169480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{547}}^1\times {\mathrm{1277}}^1$

素因数の和:2079

約数の個数: 128

約数和(自身を含む): 61013969280

約数和(自身を除く): 40812799800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 547, 723, 964, 1094, 1205, 1277, 1446, 1641, 1928, 2188, 2410, 2554, 2735, 2892, 3282, 3615, 3831, 4376, 4820, 5108, 5470, 5784, 6385, 6564, 7230, 7662, 8205, 9640, 10216, 10940, 12770, 13128, 14460, 15324, 16410, 19155, 21880, 25540, 28920, 30648, 32820, 38310, 51080, 65640, 76620, 131827, 153240, 263654, 307757, 395481, 527308, 615514, 659135, 698519, 790962, 923271, 1054616, 1231028, 1318270, 1397038, 1538785, 1581924, 1846542, 1977405, 2095557, 2462056, 2636540, 2794076, 3077570, 3163848, 3492595, 3693084, 3954810, 4191114, 4616355, 5273080, 5588152, 6155140, 6985190, 7386168, 7909620, 8382228, 9232710, 10477785, 12310280, 13970380, 15819240, 16764456, 18465420, 20955570, 27940760, 36930840, 41911140, 83822280, 168343079, 336686158, 505029237, 673372316, 841715395, 1010058474, 1346744632, 1683430790, 2020116948, 2525146185, 3366861580, 4040233896, 5050292370, 6733723160, 10100584740, 20201169480]

約数ペア:

[(1, 20201169480), (2, 10100584740), (3, 6733723160), (4, 5050292370), (5, 4040233896), (6, 3366861580), (8, 2525146185), (10, 2020116948), (12, 1683430790), (15, 1346744632), (20, 1010058474), (24, 841715395), (30, 673372316), (40, 505029237), (60, 336686158), (120, 168343079), (241, 83822280), (482, 41911140), (547, 36930840), (723, 27940760), (964, 20955570), (1094, 18465420), (1205, 16764456), (1277, 15819240), (1446, 13970380), (1641, 12310280), (1928, 10477785), (2188, 9232710), (2410, 8382228), (2554, 7909620), (2735, 7386168), (2892, 6985190), (3282, 6155140), (3615, 5588152), (3831, 5273080), (4376, 4616355), (4820, 4191114), (5108, 3954810), (5470, 3693084), (5784, 3492595), (6385, 3163848), (6564, 3077570), (7230, 2794076), (7662, 2636540), (8205, 2462056), (9640, 2095557), (10216, 1977405), (10940, 1846542), (12770, 1581924), (13128, 1538785), (14460, 1397038), (15324, 1318270), (16410, 1231028), (19155, 1054616), (21880, 923271), (25540, 790962), (28920, 698519), (30648, 659135), (32820, 615514), (38310, 527308), (51080, 395481), (65640, 307757), (76620, 263654), (131827, 153240)]