20889736

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21943}}^1$

素因数の和:21973

約数の個数: 32

約数和(自身を含む): 47399040

約数和(自身を除く): 26509304

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21943, 43886, 87772, 153601, 175544, 307202, 373031, 614404, 746062, 1228808, 1492124, 2611217, 2984248, 5222434, 10444868, 20889736]

約数ペア:

[(1, 20889736), (2, 10444868), (4, 5222434), (7, 2984248), (8, 2611217), (14, 1492124), (17, 1228808), (28, 746062), (34, 614404), (56, 373031), (68, 307202), (119, 175544), (136, 153601), (238, 87772), (476, 43886), (952, 21943)]