20447568

素因数分解:

$2^4\times 3^2\times {\mathrm{149}}^1\times {\mathrm{953}}^1$

素因数の和:1116

約数の個数: 60

約数和(自身を含む): 57669300

約数和(自身を除く): 37221732

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 149, 298, 447, 596, 894, 953, 1192, 1341, 1788, 1906, 2384, 2682, 2859, 3576, 3812, 5364, 5718, 7152, 7624, 8577, 10728, 11436, 15248, 17154, 21456, 22872, 34308, 45744, 68616, 137232, 141997, 283994, 425991, 567988, 851982, 1135976, 1277973, 1703964, 2271952, 2555946, 3407928, 5111892, 6815856, 10223784, 20447568]

約数ペア:

[(1, 20447568), (2, 10223784), (3, 6815856), (4, 5111892), (6, 3407928), (8, 2555946), (9, 2271952), (12, 1703964), (16, 1277973), (18, 1135976), (24, 851982), (36, 567988), (48, 425991), (72, 283994), (144, 141997), (149, 137232), (298, 68616), (447, 45744), (596, 34308), (894, 22872), (953, 21456), (1192, 17154), (1341, 15248), (1788, 11436), (1906, 10728), (2384, 8577), (2682, 7624), (2859, 7152), (3576, 5718), (3812, 5364)]