20128842405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{547}}^1\times {\mathrm{593}}^1$

素因数の和:1355

約数の個数: 96

約数和(自身を含む): 40217658624

約数和(自身を除く): 20088816219

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 197, 315, 547, 591, 593, 985, 1379, 1641, 1773, 1779, 2735, 2955, 2965, 3829, 4137, 4151, 4923, 5337, 6895, 8205, 8865, 8895, 11487, 12411, 12453, 19145, 20685, 20755, 24615, 26685, 34461, 37359, 57435, 62055, 62265, 107759, 116821, 172305, 186795, 323277, 324371, 350463, 538795, 584105, 754313, 817747, 969831, 973113, 1051389, 1616385, 1621855, 1752315, 2262939, 2270597, 2453241, 2919339, 3771565, 4088735, 4849155, 4865565, 5256945, 6788817, 6811791, 7359723, 11314695, 11352985, 12266205, 14596695, 20435373, 33944085, 34058955, 36798615, 63901087, 102176865, 191703261, 319505435, 447307609, 575109783, 958516305, 1341922827, 2236538045, 2875548915, 4025768481, 6709614135, 20128842405]

約数ペア:

[(1, 20128842405), (3, 6709614135), (5, 4025768481), (7, 2875548915), (9, 2236538045), (15, 1341922827), (21, 958516305), (35, 575109783), (45, 447307609), (63, 319505435), (105, 191703261), (197, 102176865), (315, 63901087), (547, 36798615), (591, 34058955), (593, 33944085), (985, 20435373), (1379, 14596695), (1641, 12266205), (1773, 11352985), (1779, 11314695), (2735, 7359723), (2955, 6811791), (2965, 6788817), (3829, 5256945), (4137, 4865565), (4151, 4849155), (4923, 4088735), (5337, 3771565), (6895, 2919339), (8205, 2453241), (8865, 2270597), (8895, 2262939), (11487, 1752315), (12411, 1621855), (12453, 1616385), (19145, 1051389), (20685, 973113), (20755, 969831), (24615, 817747), (26685, 754313), (34461, 584105), (37359, 538795), (57435, 350463), (62055, 324371), (62265, 323277), (107759, 186795), (116821, 172305)]