20875456

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2741}}^1$

素因数の和:2777

約数の個数: 56

約数和(自身を含む): 50145696

約数和(自身を除く): 29270240

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 224, 238, 272, 448, 476, 544, 952, 1088, 1904, 2741, 3808, 5482, 7616, 10964, 19187, 21928, 38374, 43856, 46597, 76748, 87712, 93194, 153496, 175424, 186388, 306992, 326179, 372776, 613984, 652358, 745552, 1227968, 1304716, 1491104, 2609432, 2982208, 5218864, 10437728, 20875456]

約数ペア:

[(1, 20875456), (2, 10437728), (4, 5218864), (7, 2982208), (8, 2609432), (14, 1491104), (16, 1304716), (17, 1227968), (28, 745552), (32, 652358), (34, 613984), (56, 372776), (64, 326179), (68, 306992), (112, 186388), (119, 175424), (136, 153496), (224, 93194), (238, 87712), (272, 76748), (448, 46597), (476, 43856), (544, 38374), (952, 21928), (1088, 19187), (1904, 10964), (2741, 7616), (3808, 5482)]