20809408076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{22717}}^1$

素因数の和:23466

約数の個数: 48

約数和(自身を含む): 40647045600

約数和(自身を除く): 19837637524

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 709, 1292, 1418, 2836, 12053, 13471, 22717, 24106, 26942, 45434, 48212, 53884, 90868, 229007, 386189, 431623, 458014, 772378, 863246, 916028, 1544756, 1726492, 7337591, 14675182, 16106353, 29350364, 32212706, 64425412, 273808001, 306020707, 547616002, 612041414, 1095232004, 1224082828, 5202352019, 10404704038, 20809408076]

約数ペア:

[(1, 20809408076), (2, 10404704038), (4, 5202352019), (17, 1224082828), (19, 1095232004), (34, 612041414), (38, 547616002), (68, 306020707), (76, 273808001), (323, 64425412), (646, 32212706), (709, 29350364), (1292, 16106353), (1418, 14675182), (2836, 7337591), (12053, 1726492), (13471, 1544756), (22717, 916028), (24106, 863246), (26942, 772378), (45434, 458014), (48212, 431623), (53884, 386189), (90868, 229007)]