20277260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2593}}^1$

素因数の和:2642

約数の個数: 48

約数和(自身を含む): 47065536

約数和(自身を除く): 26788276

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 2593, 3910, 5186, 7820, 10372, 12965, 25930, 44081, 51860, 59639, 88162, 119278, 176324, 220405, 238556, 298195, 440810, 596390, 881620, 1013863, 1192780, 2027726, 4055452, 5069315, 10138630, 20277260]

約数ペア:

[(1, 20277260), (2, 10138630), (4, 5069315), (5, 4055452), (10, 2027726), (17, 1192780), (20, 1013863), (23, 881620), (34, 596390), (46, 440810), (68, 298195), (85, 238556), (92, 220405), (115, 176324), (170, 119278), (230, 88162), (340, 59639), (391, 51860), (460, 44081), (782, 25930), (1564, 12965), (1955, 10372), (2593, 7820), (3910, 5186)]