20512334505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{56891}}^1$

素因数の和:56998

約数の個数: 48

約数和(自身を含む): 36186042816

約数和(自身を除く): 15673708311

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 1849, 2795, 5547, 8385, 9245, 24037, 27735, 56891, 72111, 120185, 170673, 284455, 360555, 739583, 853365, 2218749, 2446313, 3697915, 7338939, 11093745, 12231565, 31802069, 36694695, 95406207, 105191459, 159010345, 315574377, 477031035, 525957295, 1367488967, 1577871885, 4102466901, 6837444835, 20512334505]

約数ペア:

[(1, 20512334505), (3, 6837444835), (5, 4102466901), (13, 1577871885), (15, 1367488967), (39, 525957295), (43, 477031035), (65, 315574377), (129, 159010345), (195, 105191459), (215, 95406207), (559, 36694695), (645, 31802069), (1677, 12231565), (1849, 11093745), (2795, 7338939), (5547, 3697915), (8385, 2446313), (9245, 2218749), (24037, 853365), (27735, 739583), (56891, 360555), (72111, 284455), (120185, 170673)]