20657208

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{463}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 61136640

約数和(自身を除く): 40479432

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 169, 264, 286, 312, 338, 429, 463, 507, 572, 676, 858, 926, 1014, 1144, 1352, 1389, 1716, 1852, 1859, 2028, 2778, 3432, 3704, 3718, 4056, 5093, 5556, 5577, 6019, 7436, 10186, 11112, 11154, 12038, 14872, 15279, 18057, 20372, 22308, 24076, 30558, 36114, 40744, 44616, 48152, 61116, 66209, 72228, 78247, 122232, 132418, 144456, 156494, 198627, 234741, 264836, 312988, 397254, 469482, 529672, 625976, 794508, 860717, 938964, 1589016, 1721434, 1877928, 2582151, 3442868, 5164302, 6885736, 10328604, 20657208]

約数ペア:

[(1, 20657208), (2, 10328604), (3, 6885736), (4, 5164302), (6, 3442868), (8, 2582151), (11, 1877928), (12, 1721434), (13, 1589016), (22, 938964), (24, 860717), (26, 794508), (33, 625976), (39, 529672), (44, 469482), (52, 397254), (66, 312988), (78, 264836), (88, 234741), (104, 198627), (132, 156494), (143, 144456), (156, 132418), (169, 122232), (264, 78247), (286, 72228), (312, 66209), (338, 61116), (429, 48152), (463, 44616), (507, 40744), (572, 36114), (676, 30558), (858, 24076), (926, 22308), (1014, 20372), (1144, 18057), (1352, 15279), (1389, 14872), (1716, 12038), (1852, 11154), (1859, 11112), (2028, 10186), (2778, 7436), (3432, 6019), (3704, 5577), (3718, 5556), (4056, 5093)]