20144048

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2445

約数の個数: 40

約数和(自身を含む): 42675840

約数和(自身を除く): 22531792

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2389, 4216, 4778, 8432, 9556, 19112, 38224, 40613, 74059, 81226, 148118, 162452, 296236, 324904, 592472, 649808, 1184944, 1259003, 2518006, 5036012, 10072024, 20144048]

約数ペア:

[(1, 20144048), (2, 10072024), (4, 5036012), (8, 2518006), (16, 1259003), (17, 1184944), (31, 649808), (34, 592472), (62, 324904), (68, 296236), (124, 162452), (136, 148118), (248, 81226), (272, 74059), (496, 40613), (527, 38224), (1054, 19112), (2108, 9556), (2389, 8432), (4216, 4778)]