20456214525

素因数分解:

$3^3\times 5^2\times {\mathrm{107}}^2\times {\mathrm{2647}}^1$

素因数の和:2880

約数の個数: 72

約数和(自身を含む): 37947640640

約数和(自身を除く): 17491426115

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 107, 135, 225, 321, 535, 675, 963, 1605, 2647, 2675, 2889, 4815, 7941, 8025, 11449, 13235, 14445, 23823, 24075, 34347, 39705, 57245, 66175, 71469, 72225, 103041, 119115, 171735, 198525, 283229, 286225, 309123, 357345, 515205, 595575, 849687, 858675, 1416145, 1545615, 1786725, 2549061, 2576025, 4248435, 7080725, 7647183, 7728075, 12745305, 21242175, 30305503, 38235915, 63726525, 90916509, 151527515, 191179575, 272749527, 454582545, 757637575, 818248581, 1363747635, 2272912725, 4091242905, 6818738175, 20456214525]

約数ペア:

[(1, 20456214525), (3, 6818738175), (5, 4091242905), (9, 2272912725), (15, 1363747635), (25, 818248581), (27, 757637575), (45, 454582545), (75, 272749527), (107, 191179575), (135, 151527515), (225, 90916509), (321, 63726525), (535, 38235915), (675, 30305503), (963, 21242175), (1605, 12745305), (2647, 7728075), (2675, 7647183), (2889, 7080725), (4815, 4248435), (7941, 2576025), (8025, 2549061), (11449, 1786725), (13235, 1545615), (14445, 1416145), (23823, 858675), (24075, 849687), (34347, 595575), (39705, 515205), (57245, 357345), (66175, 309123), (71469, 286225), (72225, 283229), (103041, 198525), (119115, 171735)]