20885376

素因数分解:

$2^7\times 3^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 56022480

約数和(自身を除く): 35137104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 137, 192, 274, 384, 397, 411, 548, 794, 822, 1096, 1191, 1588, 1644, 2192, 2382, 3176, 3288, 4384, 4764, 6352, 6576, 8768, 9528, 12704, 13152, 17536, 19056, 25408, 26304, 38112, 50816, 52608, 54389, 76224, 108778, 152448, 163167, 217556, 326334, 435112, 652668, 870224, 1305336, 1740448, 2610672, 3480896, 5221344, 6961792, 10442688, 20885376]

約数ペア:

[(1, 20885376), (2, 10442688), (3, 6961792), (4, 5221344), (6, 3480896), (8, 2610672), (12, 1740448), (16, 1305336), (24, 870224), (32, 652668), (48, 435112), (64, 326334), (96, 217556), (128, 163167), (137, 152448), (192, 108778), (274, 76224), (384, 54389), (397, 52608), (411, 50816), (548, 38112), (794, 26304), (822, 25408), (1096, 19056), (1191, 17536), (1588, 13152), (1644, 12704), (2192, 9528), (2382, 8768), (3176, 6576), (3288, 6352), (4384, 4764)]