20035576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 45100800

約数和(自身を除く): 25065224

約数列:

[1, 2, 4, 8, 11, 19, 22, 23, 38, 44, 46, 76, 88, 92, 152, 184, 209, 253, 418, 437, 506, 521, 836, 874, 1012, 1042, 1672, 1748, 2024, 2084, 3496, 4168, 4807, 5731, 9614, 9899, 11462, 11983, 19228, 19798, 22924, 23966, 38456, 39596, 45848, 47932, 79192, 95864, 108889, 131813, 217778, 227677, 263626, 435556, 455354, 527252, 871112, 910708, 1054504, 1821416, 2504447, 5008894, 10017788, 20035576]

約数ペア:

[(1, 20035576), (2, 10017788), (4, 5008894), (8, 2504447), (11, 1821416), (19, 1054504), (22, 910708), (23, 871112), (38, 527252), (44, 455354), (46, 435556), (76, 263626), (88, 227677), (92, 217778), (152, 131813), (184, 108889), (209, 95864), (253, 79192), (418, 47932), (437, 45848), (506, 39596), (521, 38456), (836, 23966), (874, 22924), (1012, 19798), (1042, 19228), (1672, 11983), (1748, 11462), (2024, 9899), (2084, 9614), (3496, 5731), (4168, 4807)]