20940936

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 54198720

約数和(自身を除く): 33257784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 101, 106, 159, 163, 202, 212, 303, 318, 326, 404, 424, 489, 606, 636, 652, 808, 978, 1212, 1272, 1304, 1956, 2424, 3912, 5353, 8639, 10706, 16059, 16463, 17278, 21412, 25917, 32118, 32926, 34556, 42824, 49389, 51834, 64236, 65852, 69112, 98778, 103668, 128472, 131704, 197556, 207336, 395112, 872539, 1745078, 2617617, 3490156, 5235234, 6980312, 10470468, 20940936]

約数ペア:

[(1, 20940936), (2, 10470468), (3, 6980312), (4, 5235234), (6, 3490156), (8, 2617617), (12, 1745078), (24, 872539), (53, 395112), (101, 207336), (106, 197556), (159, 131704), (163, 128472), (202, 103668), (212, 98778), (303, 69112), (318, 65852), (326, 64236), (404, 51834), (424, 49389), (489, 42824), (606, 34556), (636, 32926), (652, 32118), (808, 25917), (978, 21412), (1212, 17278), (1272, 16463), (1304, 16059), (1956, 10706), (2424, 8639), (3912, 5353)]