20018312

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1523}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 19483768

約数列:

[1, 2, 4, 8, 31, 53, 62, 106, 124, 212, 248, 424, 1523, 1643, 3046, 3286, 6092, 6572, 12184, 13144, 47213, 80719, 94426, 161438, 188852, 322876, 377704, 645752, 2502289, 5004578, 10009156, 20018312]

約数ペア:

[(1, 20018312), (2, 10009156), (4, 5004578), (8, 2502289), (31, 645752), (53, 377704), (62, 322876), (106, 188852), (124, 161438), (212, 94426), (248, 80719), (424, 47213), (1523, 13144), (1643, 12184), (3046, 6572), (3286, 6092)]