20137243556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{539641}}^1$

素因数の和:540155

約数の個数: 24

約数和(自身を含む): 37170540960

約数和(自身を除く): 17033297404

約数列:

[1, 2, 4, 19, 38, 76, 491, 982, 1964, 9329, 18658, 37316, 539641, 1079282, 2158564, 10253179, 20506358, 41012716, 264963731, 529927462, 1059854924, 5034310889, 10068621778, 20137243556]

約数ペア:

[(1, 20137243556), (2, 10068621778), (4, 5034310889), (19, 1059854924), (38, 529927462), (76, 264963731), (491, 41012716), (982, 20506358), (1964, 10253179), (9329, 2158564), (18658, 1079282), (37316, 539641)]