20239695

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 41721264

約数和(自身を除く): 21481569

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 67, 105, 137, 147, 201, 245, 315, 335, 411, 441, 469, 603, 685, 735, 959, 1005, 1233, 1407, 2055, 2205, 2345, 2877, 3015, 3283, 4221, 4795, 6165, 6713, 7035, 8631, 9179, 9849, 14385, 16415, 20139, 21105, 27537, 29547, 33565, 43155, 45895, 49245, 60417, 64253, 82611, 100695, 137685, 147735, 192759, 302085, 321265, 413055, 449771, 578277, 963795, 1349313, 2248855, 2891385, 4047939, 6746565, 20239695]

約数ペア:

[(1, 20239695), (3, 6746565), (5, 4047939), (7, 2891385), (9, 2248855), (15, 1349313), (21, 963795), (35, 578277), (45, 449771), (49, 413055), (63, 321265), (67, 302085), (105, 192759), (137, 147735), (147, 137685), (201, 100695), (245, 82611), (315, 64253), (335, 60417), (411, 49245), (441, 45895), (469, 43155), (603, 33565), (685, 29547), (735, 27537), (959, 21105), (1005, 20139), (1233, 16415), (1407, 14385), (2055, 9849), (2205, 9179), (2345, 8631), (2877, 7035), (3015, 6713), (3283, 6165), (4221, 4795)]