20417701981

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1\times {\mathrm{1019}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 22670928000

約数和(自身を除く): 2253226019

約数列:

[1, 17, 29, 97, 419, 493, 1019, 1649, 2813, 7123, 12151, 17323, 29551, 40643, 47821, 98843, 206567, 426961, 502367, 690931, 1178647, 1680331, 2866447, 7258337, 12381869, 20036999, 41415217, 48729599, 210491773, 704058689, 1201041293, 20417701981]

約数ペア:

[(1, 20417701981), (17, 1201041293), (29, 704058689), (97, 210491773), (419, 48729599), (493, 41415217), (1019, 20036999), (1649, 12381869), (2813, 7258337), (7123, 2866447), (12151, 1680331), (17323, 1178647), (29551, 690931), (40643, 502367), (47821, 426961), (98843, 206567)]