20408048386996

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1\times {\mathrm{4738463}}^1$

素因数の和:4739284

約数の個数: 48

約数和(自身を含む): 37701494046720

約数和(自身を除く): 17293445659724

約数列:

[1, 2, 4, 31, 47, 62, 94, 124, 188, 739, 1457, 1478, 2914, 2956, 5828, 22909, 34733, 45818, 69466, 91636, 138932, 1076723, 2153446, 4306892, 4738463, 9476926, 18953852, 146892353, 222707761, 293784706, 445415522, 587569412, 890831044, 3501724157, 6903940591, 7003448314, 13807881182, 14006896628, 27615762364, 108553448867, 164581035379, 217106897734, 329162070758, 434213795468, 658324141516, 5102012096749, 10204024193498, 20408048386996]

約数ペア:

[(1, 20408048386996), (2, 10204024193498), (4, 5102012096749), (31, 658324141516), (47, 434213795468), (62, 329162070758), (94, 217106897734), (124, 164581035379), (188, 108553448867), (739, 27615762364), (1457, 14006896628), (1478, 13807881182), (2914, 7003448314), (2956, 6903940591), (5828, 3501724157), (22909, 890831044), (34733, 587569412), (45818, 445415522), (69466, 293784706), (91636, 222707761), (138932, 146892353), (1076723, 18953852), (2153446, 9476926), (4306892, 4738463)]