20841952

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 22824608

約数列:

[1, 2, 4, 8, 16, 29, 32, 37, 58, 74, 116, 148, 232, 296, 464, 592, 607, 928, 1073, 1184, 1214, 2146, 2428, 4292, 4856, 8584, 9712, 17168, 17603, 19424, 22459, 34336, 35206, 44918, 70412, 89836, 140824, 179672, 281648, 359344, 563296, 651311, 718688, 1302622, 2605244, 5210488, 10420976, 20841952]

約数ペア:

[(1, 20841952), (2, 10420976), (4, 5210488), (8, 2605244), (16, 1302622), (29, 718688), (32, 651311), (37, 563296), (58, 359344), (74, 281648), (116, 179672), (148, 140824), (232, 89836), (296, 70412), (464, 44918), (592, 35206), (607, 34336), (928, 22459), (1073, 19424), (1184, 17603), (1214, 17168), (2146, 9712), (2428, 8584), (4292, 4856)]