20565313175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{14753}}^1$

素因数の和:14948

約数の個数: 48

約数和(自身を含む): 28781631072

約数和(自身を除く): 8216317897

約数列:

[1, 5, 11, 25, 37, 55, 137, 185, 275, 407, 685, 925, 1507, 2035, 3425, 5069, 7535, 10175, 14753, 25345, 37675, 55759, 73765, 126725, 162283, 278795, 368825, 545861, 811415, 1393975, 2021161, 2729305, 4057075, 6004471, 10105805, 13646525, 22232771, 30022355, 50529025, 74782957, 111163855, 150111775, 373914785, 555819275, 822612527, 1869573925, 4113062635, 20565313175]

約数ペア:

[(1, 20565313175), (5, 4113062635), (11, 1869573925), (25, 822612527), (37, 555819275), (55, 373914785), (137, 150111775), (185, 111163855), (275, 74782957), (407, 50529025), (685, 30022355), (925, 22232771), (1507, 13646525), (2035, 10105805), (3425, 6004471), (5069, 4057075), (7535, 2729305), (10175, 2021161), (14753, 1393975), (25345, 811415), (37675, 545861), (55759, 368825), (73765, 278795), (126725, 162283)]