20174291330245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{5421659}}^1$

素因数の和:5421850

約数の個数: 64

約数和(自身を含む): 28855375718400

約数和(自身を除く): 8681084388155

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 131, 247, 299, 437, 655, 1235, 1495, 1703, 2185, 2489, 3013, 5681, 8515, 12445, 15065, 28405, 32357, 39169, 57247, 161785, 195845, 286235, 744211, 3721055, 5421659, 27108295, 70481567, 103011521, 124698157, 352407835, 515057605, 623490785, 710237329, 1339149773, 1621076041, 2369264983, 3551186645, 6695748865, 8105380205, 9233085277, 11846324915, 13494509251, 16335458567, 30800444779, 46165426385, 67472546255, 81677292835, 154002223895, 175428620263, 212360961371, 310373712773, 877143101315, 1061804806855, 1551868563865, 4034858266049, 20174291330245]

約数ペア:

[(1, 20174291330245), (5, 4034858266049), (13, 1551868563865), (19, 1061804806855), (23, 877143101315), (65, 310373712773), (95, 212360961371), (115, 175428620263), (131, 154002223895), (247, 81677292835), (299, 67472546255), (437, 46165426385), (655, 30800444779), (1235, 16335458567), (1495, 13494509251), (1703, 11846324915), (2185, 9233085277), (2489, 8105380205), (3013, 6695748865), (5681, 3551186645), (8515, 2369264983), (12445, 1621076041), (15065, 1339149773), (28405, 710237329), (32357, 623490785), (39169, 515057605), (57247, 352407835), (161785, 124698157), (195845, 103011521), (286235, 70481567), (744211, 27108295), (3721055, 5421659)]