20772640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1091}}^1$

素因数の和:1130

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 38667104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1091, 1120, 1190, 1360, 1904, 2182, 2380, 2720, 3808, 4364, 4760, 5455, 7637, 8728, 9520, 10910, 15274, 17456, 18547, 19040, 21820, 30548, 34912, 37094, 38185, 43640, 61096, 74188, 76370, 87280, 92735, 122192, 129829, 148376, 152740, 174560, 185470, 244384, 259658, 296752, 305480, 370940, 519316, 593504, 610960, 649145, 741880, 1038632, 1221920, 1298290, 1483760, 2077264, 2596580, 2967520, 4154528, 5193160, 10386320, 20772640]

約数ペア:

[(1, 20772640), (2, 10386320), (4, 5193160), (5, 4154528), (7, 2967520), (8, 2596580), (10, 2077264), (14, 1483760), (16, 1298290), (17, 1221920), (20, 1038632), (28, 741880), (32, 649145), (34, 610960), (35, 593504), (40, 519316), (56, 370940), (68, 305480), (70, 296752), (80, 259658), (85, 244384), (112, 185470), (119, 174560), (136, 152740), (140, 148376), (160, 129829), (170, 122192), (224, 92735), (238, 87280), (272, 76370), (280, 74188), (340, 61096), (476, 43640), (544, 38185), (560, 37094), (595, 34912), (680, 30548), (952, 21820), (1091, 19040), (1120, 18547), (1190, 17456), (1360, 15274), (1904, 10910), (2182, 9520), (2380, 8728), (2720, 7637), (3808, 5455), (4364, 4760)]