20238083080

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1\times {\mathrm{3673}}^1$

素因数の和:4814

約数の個数: 64

約数和(自身を含む): 45922060800

約数和(自身を除く): 25683977720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 991, 1112, 1390, 1982, 2780, 3673, 3964, 4955, 5560, 7346, 7928, 9910, 14692, 18365, 19820, 29384, 36730, 39640, 73460, 137749, 146920, 275498, 510547, 550996, 688745, 1021094, 1101992, 1377490, 2042188, 2552735, 2754980, 3639943, 4084376, 5105470, 5509960, 7279886, 10210940, 14559772, 18199715, 20421880, 29119544, 36399430, 72798860, 145597720, 505952077, 1011904154, 2023808308, 2529760385, 4047616616, 5059520770, 10119041540, 20238083080]

約数ペア:

[(1, 20238083080), (2, 10119041540), (4, 5059520770), (5, 4047616616), (8, 2529760385), (10, 2023808308), (20, 1011904154), (40, 505952077), (139, 145597720), (278, 72798860), (556, 36399430), (695, 29119544), (991, 20421880), (1112, 18199715), (1390, 14559772), (1982, 10210940), (2780, 7279886), (3673, 5509960), (3964, 5105470), (4955, 4084376), (5560, 3639943), (7346, 2754980), (7928, 2552735), (9910, 2042188), (14692, 1377490), (18365, 1101992), (19820, 1021094), (29384, 688745), (36730, 550996), (39640, 510547), (73460, 275498), (137749, 146920)]