20113324

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 47113920

約数和(自身を除く): 27000596

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 491, 532, 539, 836, 931, 982, 1078, 1463, 1862, 1964, 2156, 2926, 3437, 3724, 5401, 5852, 6874, 9329, 10241, 10802, 13748, 18658, 20482, 21604, 24059, 37316, 37807, 40964, 48118, 65303, 75614, 96236, 102619, 130606, 151228, 205238, 261212, 264649, 410476, 457121, 529298, 718333, 914242, 1058596, 1436666, 1828484, 2873332, 5028331, 10056662, 20113324]

約数ペア:

[(1, 20113324), (2, 10056662), (4, 5028331), (7, 2873332), (11, 1828484), (14, 1436666), (19, 1058596), (22, 914242), (28, 718333), (38, 529298), (44, 457121), (49, 410476), (76, 264649), (77, 261212), (98, 205238), (133, 151228), (154, 130606), (196, 102619), (209, 96236), (266, 75614), (308, 65303), (418, 48118), (491, 40964), (532, 37807), (539, 37316), (836, 24059), (931, 21604), (982, 20482), (1078, 18658), (1463, 13748), (1862, 10802), (1964, 10241), (2156, 9329), (2926, 6874), (3437, 5852), (3724, 5401)]