20491872

素因数分解:

$2^5\times 3^1\times {\mathrm{113}}^1\times {\mathrm{1889}}^1$

素因数の和:2015

約数の個数: 48

約数和(自身を含む): 54295920

約数和(自身を除く): 33804048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 113, 226, 339, 452, 678, 904, 1356, 1808, 1889, 2712, 3616, 3778, 5424, 5667, 7556, 10848, 11334, 15112, 22668, 30224, 45336, 60448, 90672, 181344, 213457, 426914, 640371, 853828, 1280742, 1707656, 2561484, 3415312, 5122968, 6830624, 10245936, 20491872]

約数ペア:

[(1, 20491872), (2, 10245936), (3, 6830624), (4, 5122968), (6, 3415312), (8, 2561484), (12, 1707656), (16, 1280742), (24, 853828), (32, 640371), (48, 426914), (96, 213457), (113, 181344), (226, 90672), (339, 60448), (452, 45336), (678, 30224), (904, 22668), (1356, 15112), (1808, 11334), (1889, 10848), (2712, 7556), (3616, 5667), (3778, 5424)]