20695878

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54751}}^1$

素因数の和:54769

約数の個数: 32

約数和(自身を含む): 52561920

約数和(自身を除く): 31866042

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54751, 109502, 164253, 328506, 383257, 492759, 766514, 985518, 1149771, 1478277, 2299542, 2956554, 3449313, 6898626, 10347939, 20695878]

約数ペア:

[(1, 20695878), (2, 10347939), (3, 6898626), (6, 3449313), (7, 2956554), (9, 2299542), (14, 1478277), (18, 1149771), (21, 985518), (27, 766514), (42, 492759), (54, 383257), (63, 328506), (126, 164253), (189, 109502), (378, 54751)]