20184021520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1492901}}^1$

素因数の和:1492940

約数の個数: 60

約数和(自身を含む): 50815398276

約数和(自身を除く): 30631376756

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 1492901, 2985802, 5971604, 7464505, 11943208, 14929010, 19407713, 23886416, 29858020, 38815426, 59716040, 77630852, 97038565, 119432080, 155261704, 194077130, 252300269, 310523408, 388154260, 504600538, 776308520, 1009201076, 1261501345, 1552617040, 2018402152, 2523002690, 4036804304, 5046005380, 10092010760, 20184021520]

約数ペア:

[(1, 20184021520), (2, 10092010760), (4, 5046005380), (5, 4036804304), (8, 2523002690), (10, 2018402152), (13, 1552617040), (16, 1261501345), (20, 1009201076), (26, 776308520), (40, 504600538), (52, 388154260), (65, 310523408), (80, 252300269), (104, 194077130), (130, 155261704), (169, 119432080), (208, 97038565), (260, 77630852), (338, 59716040), (520, 38815426), (676, 29858020), (845, 23886416), (1040, 19407713), (1352, 14929010), (1690, 11943208), (2704, 7464505), (3380, 5971604), (6760, 2985802), (13520, 1492901)]