20368672

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 22088288

約数列:

[1, 2, 4, 8, 16, 29, 32, 47, 58, 94, 116, 188, 232, 376, 464, 467, 752, 928, 934, 1363, 1504, 1868, 2726, 3736, 5452, 7472, 10904, 13543, 14944, 21808, 21949, 27086, 43616, 43898, 54172, 87796, 108344, 175592, 216688, 351184, 433376, 636521, 702368, 1273042, 2546084, 5092168, 10184336, 20368672]

約数ペア:

[(1, 20368672), (2, 10184336), (4, 5092168), (8, 2546084), (16, 1273042), (29, 702368), (32, 636521), (47, 433376), (58, 351184), (94, 216688), (116, 175592), (188, 108344), (232, 87796), (376, 54172), (464, 43898), (467, 43616), (752, 27086), (928, 21949), (934, 21808), (1363, 14944), (1504, 13543), (1868, 10904), (2726, 7472), (3736, 5452)]