20481362

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2381}}^1$

素因数の和:2434

約数の個数: 32

約数和(自身を含む): 37044864

約数和(自身を除く): 16563502

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 187, 253, 374, 391, 506, 782, 2381, 4301, 4762, 8602, 26191, 40477, 52382, 54763, 80954, 109526, 445247, 602393, 890494, 930971, 1204786, 1861942, 10240681, 20481362]

約数ペア:

[(1, 20481362), (2, 10240681), (11, 1861942), (17, 1204786), (22, 930971), (23, 890494), (34, 602393), (46, 445247), (187, 109526), (253, 80954), (374, 54763), (391, 52382), (506, 40477), (782, 26191), (2381, 8602), (4301, 4762)]