20336828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 39644640

約数和(自身を除く): 19307812

約数列:

[1, 2, 4, 17, 34, 37, 59, 68, 74, 118, 137, 148, 236, 274, 548, 629, 1003, 1258, 2006, 2183, 2329, 2516, 4012, 4366, 4658, 5069, 8083, 8732, 9316, 10138, 16166, 20276, 32332, 37111, 74222, 86173, 137411, 148444, 172346, 274822, 299071, 344692, 549644, 598142, 1196284, 5084207, 10168414, 20336828]

約数ペア:

[(1, 20336828), (2, 10168414), (4, 5084207), (17, 1196284), (34, 598142), (37, 549644), (59, 344692), (68, 299071), (74, 274822), (118, 172346), (137, 148444), (148, 137411), (236, 86173), (274, 74222), (548, 37111), (629, 32332), (1003, 20276), (1258, 16166), (2006, 10138), (2183, 9316), (2329, 8732), (2516, 8083), (4012, 5069), (4366, 4658)]