20178258

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1303}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 42249600

約数和(自身を除く): 22071342

約数列:

[1, 2, 3, 6, 29, 58, 87, 89, 174, 178, 267, 534, 1303, 2581, 2606, 3909, 5162, 7743, 7818, 15486, 37787, 75574, 113361, 115967, 226722, 231934, 347901, 695802, 3363043, 6726086, 10089129, 20178258]

約数ペア:

[(1, 20178258), (2, 10089129), (3, 6726086), (6, 3363043), (29, 695802), (58, 347901), (87, 231934), (89, 226722), (174, 115967), (178, 113361), (267, 75574), (534, 37787), (1303, 15486), (2581, 7818), (2606, 7743), (3909, 5162)]