20175258243

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{7069}}^1$

素因数の和:7432

約数の個数: 64

約数和(自身を含む): 33881702400

約数和(自身を除く): 13706444157

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 311, 399, 437, 483, 933, 1311, 2177, 3059, 5909, 6531, 7069, 7153, 9177, 17727, 21207, 21459, 41363, 49483, 50071, 124089, 134311, 135907, 148449, 150213, 162587, 402933, 407721, 487761, 940177, 951349, 1138109, 2198459, 2820531, 2854047, 3089153, 3414327, 6595377, 9267459, 15389213, 21624071, 41770721, 46167639, 50564557, 64872213, 125312163, 151693671, 292395047, 353951899, 877185141, 960726583, 1061855697, 2882179749, 6725086081, 20175258243]

約数ペア:

[(1, 20175258243), (3, 6725086081), (7, 2882179749), (19, 1061855697), (21, 960726583), (23, 877185141), (57, 353951899), (69, 292395047), (133, 151693671), (161, 125312163), (311, 64872213), (399, 50564557), (437, 46167639), (483, 41770721), (933, 21624071), (1311, 15389213), (2177, 9267459), (3059, 6595377), (5909, 3414327), (6531, 3089153), (7069, 2854047), (7153, 2820531), (9177, 2198459), (17727, 1138109), (21207, 951349), (21459, 940177), (41363, 487761), (49483, 407721), (50071, 402933), (124089, 162587), (134311, 150213), (135907, 148449)]