20186265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 38154240

約数和(自身を除く): 17967975

約数列:

[1, 3, 5, 11, 15, 19, 33, 47, 55, 57, 95, 137, 141, 165, 209, 235, 285, 411, 517, 627, 685, 705, 893, 1045, 1507, 1551, 2055, 2585, 2603, 2679, 3135, 4465, 4521, 6439, 7535, 7755, 7809, 9823, 13015, 13395, 19317, 22605, 28633, 29469, 32195, 39045, 49115, 70829, 85899, 96585, 122341, 143165, 147345, 212487, 354145, 367023, 429495, 611705, 1062435, 1345751, 1835115, 4037253, 6728755, 20186265]

約数ペア:

[(1, 20186265), (3, 6728755), (5, 4037253), (11, 1835115), (15, 1345751), (19, 1062435), (33, 611705), (47, 429495), (55, 367023), (57, 354145), (95, 212487), (137, 147345), (141, 143165), (165, 122341), (209, 96585), (235, 85899), (285, 70829), (411, 49115), (517, 39045), (627, 32195), (685, 29469), (705, 28633), (893, 22605), (1045, 19317), (1507, 13395), (1551, 13015), (2055, 9823), (2585, 7809), (2603, 7755), (2679, 7535), (3135, 6439), (4465, 4521)]