20123585565

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{294269}}^1$

素因数の和:294421

約数の個数: 32

約数和(自身を含む): 33221905920

約数和(自身を除く): 13098320355

約数列:

[1, 3, 5, 15, 47, 97, 141, 235, 291, 485, 705, 1455, 4559, 13677, 22795, 68385, 294269, 882807, 1471345, 4414035, 13830643, 28544093, 41491929, 69153215, 85632279, 142720465, 207459645, 428161395, 1341572371, 4024717113, 6707861855, 20123585565]

約数ペア:

[(1, 20123585565), (3, 6707861855), (5, 4024717113), (15, 1341572371), (47, 428161395), (97, 207459645), (141, 142720465), (235, 85632279), (291, 69153215), (485, 41491929), (705, 28544093), (1455, 13830643), (4559, 4414035), (13677, 1471345), (22795, 882807), (68385, 294269)]