20023160925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1\times {\mathrm{971}}^1$

素因数の和:1531

約数の個数: 96

約数和(自身を含む): 36158400000

約数和(自身を除く): 16135239075

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 145, 285, 435, 475, 499, 551, 725, 971, 1425, 1497, 1653, 2175, 2495, 2755, 2913, 4855, 7485, 8265, 9481, 12475, 13775, 14471, 14565, 18449, 24275, 28159, 28443, 37425, 41325, 43413, 47405, 55347, 72355, 72825, 84477, 92245, 140795, 142215, 217065, 237025, 274949, 276735, 361775, 422385, 461225, 484529, 535021, 703975, 711075, 824847, 1085325, 1374745, 1383675, 1453587, 1605063, 2111925, 2422645, 2675105, 4124235, 6873725, 7267935, 8025315, 9206051, 12113225, 13375525, 14051341, 20621175, 27618153, 36339675, 40126575, 42154023, 46030255, 70256705, 138090765, 210770115, 230151275, 266975479, 351283525, 690453825, 800926437, 1053850575, 1334877395, 4004632185, 6674386975, 20023160925]

約数ペア:

[(1, 20023160925), (3, 6674386975), (5, 4004632185), (15, 1334877395), (19, 1053850575), (25, 800926437), (29, 690453825), (57, 351283525), (75, 266975479), (87, 230151275), (95, 210770115), (145, 138090765), (285, 70256705), (435, 46030255), (475, 42154023), (499, 40126575), (551, 36339675), (725, 27618153), (971, 20621175), (1425, 14051341), (1497, 13375525), (1653, 12113225), (2175, 9206051), (2495, 8025315), (2755, 7267935), (2913, 6873725), (4855, 4124235), (7485, 2675105), (8265, 2422645), (9481, 2111925), (12475, 1605063), (13775, 1453587), (14471, 1383675), (14565, 1374745), (18449, 1085325), (24275, 824847), (28159, 711075), (28443, 703975), (37425, 535021), (41325, 484529), (43413, 461225), (47405, 422385), (55347, 361775), (72355, 276735), (72825, 274949), (84477, 237025), (92245, 217065), (140795, 142215)]