20171640016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{22259}}^1$

素因数の和:22568

約数の個数: 80

約数和(自身を含む): 45047116800

約数和(自身を除く): 24875476784

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 271, 304, 418, 542, 836, 1084, 1672, 2168, 2981, 3344, 4336, 5149, 5962, 10298, 11924, 20596, 22259, 23848, 41192, 44518, 47696, 56639, 82384, 89036, 113278, 178072, 226556, 244849, 356144, 422921, 453112, 489698, 845842, 906224, 979396, 1691684, 1958792, 3383368, 3917584, 4652131, 6032189, 6766736, 9304262, 12064378, 18608524, 24128756, 37217048, 48257512, 66354079, 74434096, 96515024, 114611591, 132708158, 229223182, 265416316, 458446364, 530832632, 916892728, 1061665264, 1260727501, 1833785456, 2521455002, 5042910004, 10085820008, 20171640016]

約数ペア:

[(1, 20171640016), (2, 10085820008), (4, 5042910004), (8, 2521455002), (11, 1833785456), (16, 1260727501), (19, 1061665264), (22, 916892728), (38, 530832632), (44, 458446364), (76, 265416316), (88, 229223182), (152, 132708158), (176, 114611591), (209, 96515024), (271, 74434096), (304, 66354079), (418, 48257512), (542, 37217048), (836, 24128756), (1084, 18608524), (1672, 12064378), (2168, 9304262), (2981, 6766736), (3344, 6032189), (4336, 4652131), (5149, 3917584), (5962, 3383368), (10298, 1958792), (11924, 1691684), (20596, 979396), (22259, 906224), (23848, 845842), (41192, 489698), (44518, 453112), (47696, 422921), (56639, 356144), (82384, 244849), (89036, 226556), (113278, 178072)]