20574904

素因数分解:

$2^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{719}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 45554400

約数和(自身を除く): 24979496

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 73, 98, 146, 196, 292, 392, 511, 584, 719, 1022, 1438, 2044, 2876, 3577, 4088, 5033, 5752, 7154, 10066, 14308, 20132, 28616, 35231, 40264, 52487, 70462, 104974, 140924, 209948, 281848, 367409, 419896, 734818, 1469636, 2571863, 2939272, 5143726, 10287452, 20574904]

約数ペア:

[(1, 20574904), (2, 10287452), (4, 5143726), (7, 2939272), (8, 2571863), (14, 1469636), (28, 734818), (49, 419896), (56, 367409), (73, 281848), (98, 209948), (146, 140924), (196, 104974), (292, 70462), (392, 52487), (511, 40264), (584, 35231), (719, 28616), (1022, 20132), (1438, 14308), (2044, 10066), (2876, 7154), (3577, 5752), (4088, 5033)]