20468322

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 52450560

約数和(自身を除く): 31982238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 173, 189, 313, 346, 378, 519, 626, 939, 1038, 1211, 1557, 1878, 2191, 2422, 2817, 3114, 3633, 4382, 4671, 5634, 6573, 7266, 8451, 9342, 10899, 13146, 16902, 19719, 21798, 32697, 39438, 54149, 59157, 65394, 108298, 118314, 162447, 324894, 379043, 487341, 758086, 974682, 1137129, 1462023, 2274258, 2924046, 3411387, 6822774, 10234161, 20468322]

約数ペア:

[(1, 20468322), (2, 10234161), (3, 6822774), (6, 3411387), (7, 2924046), (9, 2274258), (14, 1462023), (18, 1137129), (21, 974682), (27, 758086), (42, 487341), (54, 379043), (63, 324894), (126, 162447), (173, 118314), (189, 108298), (313, 65394), (346, 59157), (378, 54149), (519, 39438), (626, 32697), (939, 21798), (1038, 19719), (1211, 16902), (1557, 13146), (1878, 10899), (2191, 9342), (2422, 8451), (2817, 7266), (3114, 6573), (3633, 5634), (4382, 4671)]