20603954

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 36481536

約数和(自身を除く): 15877582

約数列:

[1, 2, 7, 14, 47, 94, 173, 181, 329, 346, 362, 658, 1211, 1267, 2422, 2534, 8131, 8507, 16262, 17014, 31313, 56917, 59549, 62626, 113834, 119098, 219191, 438382, 1471711, 2943422, 10301977, 20603954]

約数ペア:

[(1, 20603954), (2, 10301977), (7, 2943422), (14, 1471711), (47, 438382), (94, 219191), (173, 119098), (181, 113834), (329, 62626), (346, 59549), (362, 56917), (658, 31313), (1211, 17014), (1267, 16262), (2422, 8507), (2534, 8131)]