20554694

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13314106

約数列:

[1, 2, 19, 38, 41, 79, 82, 158, 167, 334, 779, 1501, 1558, 3002, 3173, 3239, 6346, 6478, 6847, 13193, 13694, 26386, 61541, 123082, 130093, 250667, 260186, 501334, 540913, 1081826, 10277347, 20554694]

約数ペア:

[(1, 20554694), (2, 10277347), (19, 1081826), (38, 540913), (41, 501334), (79, 260186), (82, 250667), (158, 130093), (167, 123082), (334, 61541), (779, 26386), (1501, 13694), (1558, 13193), (3002, 6847), (3173, 6478), (3239, 6346)]