20853824

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:523

約数の個数: 56

約数和(自身を含む): 44671488

約数和(自身を除く): 23817664

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 184, 248, 368, 457, 496, 713, 736, 914, 992, 1426, 1472, 1828, 1984, 2852, 3656, 5704, 7312, 10511, 11408, 14167, 14624, 21022, 22816, 28334, 29248, 42044, 45632, 56668, 84088, 113336, 168176, 226672, 325841, 336352, 453344, 651682, 672704, 906688, 1303364, 2606728, 5213456, 10426912, 20853824]

約数ペア:

[(1, 20853824), (2, 10426912), (4, 5213456), (8, 2606728), (16, 1303364), (23, 906688), (31, 672704), (32, 651682), (46, 453344), (62, 336352), (64, 325841), (92, 226672), (124, 168176), (184, 113336), (248, 84088), (368, 56668), (457, 45632), (496, 42044), (713, 29248), (736, 28334), (914, 22816), (992, 21022), (1426, 14624), (1472, 14167), (1828, 11408), (1984, 10511), (2852, 7312), (3656, 5704)]