20788586

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6719}}^1$

素因数の和:6758

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19853974

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 6719, 13438, 47033, 87347, 94066, 114223, 174694, 228446, 611429, 799561, 1222858, 1484899, 1599122, 2969798, 10394293, 20788586]

約数ペア:

[(1, 20788586), (2, 10394293), (7, 2969798), (13, 1599122), (14, 1484899), (17, 1222858), (26, 799561), (34, 611429), (91, 228446), (119, 174694), (182, 114223), (221, 94066), (238, 87347), (442, 47033), (1547, 13438), (3094, 6719)]