20193302008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{491}}^1\times {\mathrm{1777}}^1$

素因数の和:2548

約数の個数: 64

約数和(自身を含む): 41569355520

約数和(自身を除く): 21376053512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 263, 491, 526, 982, 1052, 1777, 1964, 2104, 2893, 3554, 3928, 5401, 5786, 7108, 10802, 11572, 14216, 19547, 21604, 23144, 39094, 43208, 78188, 129133, 156376, 258266, 467351, 516532, 872507, 934702, 1033064, 1420463, 1745014, 1869404, 2840926, 3490028, 3738808, 5140861, 5681852, 6980056, 9597577, 10281722, 11363704, 19195154, 20563444, 38390308, 41126888, 76780616, 229469341, 458938682, 917877364, 1835754728, 2524162751, 5048325502, 10096651004, 20193302008]

約数ペア:

[(1, 20193302008), (2, 10096651004), (4, 5048325502), (8, 2524162751), (11, 1835754728), (22, 917877364), (44, 458938682), (88, 229469341), (263, 76780616), (491, 41126888), (526, 38390308), (982, 20563444), (1052, 19195154), (1777, 11363704), (1964, 10281722), (2104, 9597577), (2893, 6980056), (3554, 5681852), (3928, 5140861), (5401, 3738808), (5786, 3490028), (7108, 2840926), (10802, 1869404), (11572, 1745014), (14216, 1420463), (19547, 1033064), (21604, 934702), (23144, 872507), (39094, 516532), (43208, 467351), (78188, 258266), (129133, 156376)]