20786344

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 19533656

約数列:

[1, 2, 4, 8, 41, 82, 127, 164, 254, 328, 499, 508, 998, 1016, 1996, 3992, 5207, 10414, 20459, 20828, 40918, 41656, 63373, 81836, 126746, 163672, 253492, 506984, 2598293, 5196586, 10393172, 20786344]

約数ペア:

[(1, 20786344), (2, 10393172), (4, 5196586), (8, 2598293), (41, 506984), (82, 253492), (127, 163672), (164, 126746), (254, 81836), (328, 63373), (499, 41656), (508, 40918), (998, 20828), (1016, 20459), (1996, 10414), (3992, 5207)]