20565014116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{519371}}^1$

素因数の和:519915

約数の個数: 24

約数和(自身を含む): 37955705760

約数和(自身を除く): 17390691644

約数列:

[1, 2, 4, 19, 38, 76, 521, 1042, 2084, 9899, 19798, 39596, 519371, 1038742, 2077484, 9868049, 19736098, 39472196, 270592291, 541184582, 1082369164, 5141253529, 10282507058, 20565014116]

約数ペア:

[(1, 20565014116), (2, 10282507058), (4, 5141253529), (19, 1082369164), (38, 541184582), (76, 270592291), (521, 39472196), (1042, 19736098), (2084, 9868049), (9899, 2077484), (19798, 1038742), (39596, 519371)]