20696072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3539}}^1$

素因数の和:3605

約数の個数: 32

約数和(自身を含む): 42055200

約数和(自身を除く): 21359128

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3539, 5848, 7078, 14156, 28312, 60163, 120326, 152177, 240652, 304354, 481304, 608708, 1217416, 2587009, 5174018, 10348036, 20696072]

約数ペア:

[(1, 20696072), (2, 10348036), (4, 5174018), (8, 2587009), (17, 1217416), (34, 608708), (43, 481304), (68, 304354), (86, 240652), (136, 152177), (172, 120326), (344, 60163), (731, 28312), (1462, 14156), (2924, 7078), (3539, 5848)]