20017764

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42773}}^1$

素因数の和:42796

約数の個数: 36

約数和(自身を含む): 54494076

約数和(自身を除く): 34476312

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42773, 85546, 128319, 171092, 256638, 384957, 513276, 556049, 769914, 1112098, 1539828, 1668147, 2224196, 3336294, 5004441, 6672588, 10008882, 20017764]

約数ペア:

[(1, 20017764), (2, 10008882), (3, 6672588), (4, 5004441), (6, 3336294), (9, 2224196), (12, 1668147), (13, 1539828), (18, 1112098), (26, 769914), (36, 556049), (39, 513276), (52, 384957), (78, 256638), (117, 171092), (156, 128319), (234, 85546), (468, 42773)]