20890008

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{5689}}^1$

素因数の和:5721

約数の個数: 64

約数和(自身を含む): 61452000

約数和(自身を除く): 40561992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 102, 108, 136, 153, 204, 216, 306, 408, 459, 612, 918, 1224, 1836, 3672, 5689, 11378, 17067, 22756, 34134, 45512, 51201, 68268, 96713, 102402, 136536, 153603, 193426, 204804, 290139, 307206, 386852, 409608, 580278, 614412, 773704, 870417, 1160556, 1228824, 1740834, 2321112, 2611251, 3481668, 5222502, 6963336, 10445004, 20890008]

約数ペア:

[(1, 20890008), (2, 10445004), (3, 6963336), (4, 5222502), (6, 3481668), (8, 2611251), (9, 2321112), (12, 1740834), (17, 1228824), (18, 1160556), (24, 870417), (27, 773704), (34, 614412), (36, 580278), (51, 409608), (54, 386852), (68, 307206), (72, 290139), (102, 204804), (108, 193426), (136, 153603), (153, 136536), (204, 102402), (216, 96713), (306, 68268), (408, 51201), (459, 45512), (612, 34134), (918, 22756), (1224, 17067), (1836, 11378), (3672, 5689)]