20163994425

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1690901}}^1$

素因数の和:1690970

約数の個数: 36

約数和(自身を含む): 36797409324

約数和(自身を除く): 16633414899

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 159, 225, 265, 477, 795, 1325, 2385, 3975, 11925, 1690901, 5072703, 8454505, 15218109, 25363515, 42272525, 76090545, 89617753, 126817575, 268853259, 380452725, 448088765, 806559777, 1344266295, 2240443825, 4032798885, 6721331475, 20163994425]

約数ペア:

[(1, 20163994425), (3, 6721331475), (5, 4032798885), (9, 2240443825), (15, 1344266295), (25, 806559777), (45, 448088765), (53, 380452725), (75, 268853259), (159, 126817575), (225, 89617753), (265, 76090545), (477, 42272525), (795, 25363515), (1325, 15218109), (2385, 8454505), (3975, 5072703), (11925, 1690901)]