20160137264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{643847}}^1$

素因数の和:643977

約数の個数: 40

約数和(自身を含む): 41515319040

約数和(自身を除く): 21355181776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 103, 152, 206, 304, 412, 824, 1648, 1957, 3914, 7828, 15656, 31312, 643847, 1287694, 2575388, 5150776, 10301552, 12233093, 24466186, 48932372, 66316241, 97864744, 132632482, 195729488, 265264964, 530529928, 1061059856, 1260008579, 2520017158, 5040034316, 10080068632, 20160137264]

約数ペア:

[(1, 20160137264), (2, 10080068632), (4, 5040034316), (8, 2520017158), (16, 1260008579), (19, 1061059856), (38, 530529928), (76, 265264964), (103, 195729488), (152, 132632482), (206, 97864744), (304, 66316241), (412, 48932372), (824, 24466186), (1648, 12233093), (1957, 10301552), (3914, 5150776), (7828, 2575388), (15656, 1287694), (31312, 643847)]