20976800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2017}}^1$

素因数の和:2050

約数の個数: 72

約数和(自身を含む): 55176156

約数和(自身を除く): 34199356

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2017, 2080, 2600, 4034, 5200, 8068, 10085, 10400, 16136, 20170, 26221, 32272, 40340, 50425, 52442, 64544, 80680, 100850, 104884, 131105, 161360, 201700, 209768, 262210, 322720, 403400, 419536, 524420, 655525, 806800, 839072, 1048840, 1311050, 1613600, 2097680, 2622100, 4195360, 5244200, 10488400, 20976800]

約数ペア:

[(1, 20976800), (2, 10488400), (4, 5244200), (5, 4195360), (8, 2622100), (10, 2097680), (13, 1613600), (16, 1311050), (20, 1048840), (25, 839072), (26, 806800), (32, 655525), (40, 524420), (50, 419536), (52, 403400), (65, 322720), (80, 262210), (100, 209768), (104, 201700), (130, 161360), (160, 131105), (200, 104884), (208, 100850), (260, 80680), (325, 64544), (400, 52442), (416, 50425), (520, 40340), (650, 32272), (800, 26221), (1040, 20170), (1300, 16136), (2017, 10400), (2080, 10085), (2600, 8068), (4034, 5200)]