20526984

素因数分解:

$2^3\times 3^2\times {\mathrm{137}}^1\times {\mathrm{2081}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 56026620

約数和(自身を除く): 35499636

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 137, 274, 411, 548, 822, 1096, 1233, 1644, 2081, 2466, 3288, 4162, 4932, 6243, 8324, 9864, 12486, 16648, 18729, 24972, 37458, 49944, 74916, 149832, 285097, 570194, 855291, 1140388, 1710582, 2280776, 2565873, 3421164, 5131746, 6842328, 10263492, 20526984]

約数ペア:

[(1, 20526984), (2, 10263492), (3, 6842328), (4, 5131746), (6, 3421164), (8, 2565873), (9, 2280776), (12, 1710582), (18, 1140388), (24, 855291), (36, 570194), (72, 285097), (137, 149832), (274, 74916), (411, 49944), (548, 37458), (822, 24972), (1096, 18729), (1233, 16648), (1644, 12486), (2081, 9864), (2466, 8324), (3288, 6243), (4162, 4932)]