20253552

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 57853440

約数和(自身を除く): 37599888

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 89, 132, 176, 178, 264, 267, 356, 431, 528, 534, 712, 862, 979, 1068, 1293, 1424, 1724, 1958, 2136, 2586, 2937, 3448, 3916, 4272, 4741, 5172, 5874, 6896, 7832, 9482, 10344, 11748, 14223, 15664, 18964, 20688, 23496, 28446, 37928, 38359, 46992, 56892, 75856, 76718, 113784, 115077, 153436, 227568, 230154, 306872, 421949, 460308, 613744, 843898, 920616, 1265847, 1687796, 1841232, 2531694, 3375592, 5063388, 6751184, 10126776, 20253552]

約数ペア:

[(1, 20253552), (2, 10126776), (3, 6751184), (4, 5063388), (6, 3375592), (8, 2531694), (11, 1841232), (12, 1687796), (16, 1265847), (22, 920616), (24, 843898), (33, 613744), (44, 460308), (48, 421949), (66, 306872), (88, 230154), (89, 227568), (132, 153436), (176, 115077), (178, 113784), (264, 76718), (267, 75856), (356, 56892), (431, 46992), (528, 38359), (534, 37928), (712, 28446), (862, 23496), (979, 20688), (1068, 18964), (1293, 15664), (1424, 14223), (1724, 11748), (1958, 10344), (2136, 9482), (2586, 7832), (2937, 6896), (3448, 5874), (3916, 5172), (4272, 4741)]