20726944

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5443}}^1$

素因数の和:5477

約数の個数: 48

約数和(自身を含む): 49387968

約数和(自身を除く): 28661024

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5443, 10886, 21772, 38101, 43544, 76202, 87088, 92531, 152404, 174176, 185062, 304808, 370124, 609616, 647717, 740248, 1219232, 1295434, 1480496, 2590868, 2960992, 5181736, 10363472, 20726944]

約数ペア:

[(1, 20726944), (2, 10363472), (4, 5181736), (7, 2960992), (8, 2590868), (14, 1480496), (16, 1295434), (17, 1219232), (28, 740248), (32, 647717), (34, 609616), (56, 370124), (68, 304808), (112, 185062), (119, 174176), (136, 152404), (224, 92531), (238, 87088), (272, 76202), (476, 43544), (544, 38101), (952, 21772), (1904, 10886), (3808, 5443)]