20164055710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{180181}}^1$

素因数の和:180257

約数の個数: 48

約数和(自身を含む): 39542020992

約数和(自身を除く): 19377965282

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 361, 589, 722, 1178, 1805, 2945, 3610, 5890, 11191, 22382, 55955, 111910, 180181, 360362, 900905, 1801810, 3423439, 5585611, 6846878, 11171222, 17117195, 27928055, 34234390, 55856110, 65045341, 106126609, 130090682, 212253218, 325226705, 530633045, 650453410, 1061266090, 2016405571, 4032811142, 10082027855, 20164055710]

約数ペア:

[(1, 20164055710), (2, 10082027855), (5, 4032811142), (10, 2016405571), (19, 1061266090), (31, 650453410), (38, 530633045), (62, 325226705), (95, 212253218), (155, 130090682), (190, 106126609), (310, 65045341), (361, 55856110), (589, 34234390), (722, 27928055), (1178, 17117195), (1805, 11171222), (2945, 6846878), (3610, 5585611), (5890, 3423439), (11191, 1801810), (22382, 900905), (55955, 360362), (111910, 180181)]