20033055

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 128

約数和(自身を含む): 45619200

約数和(自身を除く): 25586145

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 29, 35, 43, 45, 51, 63, 85, 87, 105, 119, 129, 135, 145, 153, 189, 203, 215, 255, 261, 301, 315, 357, 387, 435, 459, 493, 595, 609, 645, 731, 765, 783, 903, 945, 1015, 1071, 1161, 1247, 1305, 1479, 1505, 1785, 1827, 1935, 2193, 2295, 2465, 2709, 3045, 3213, 3451, 3655, 3741, 3915, 4437, 4515, 5117, 5355, 5481, 5805, 6235, 6579, 7395, 8127, 8729, 9135, 10353, 10965, 11223, 13311, 13545, 15351, 16065, 17255, 18705, 19737, 21199, 22185, 25585, 26187, 27405, 31059, 32895, 33669, 40635, 43645, 46053, 51765, 56115, 63597, 66555, 76755, 78561, 93177, 98685, 105995, 130935, 138159, 148393, 155295, 168345, 190791, 230265, 235683, 317985, 392805, 445179, 465885, 572373, 690795, 741965, 953955, 1178415, 1335537, 2225895, 2861865, 4006611, 6677685, 20033055]

約数ペア:

[(1, 20033055), (3, 6677685), (5, 4006611), (7, 2861865), (9, 2225895), (15, 1335537), (17, 1178415), (21, 953955), (27, 741965), (29, 690795), (35, 572373), (43, 465885), (45, 445179), (51, 392805), (63, 317985), (85, 235683), (87, 230265), (105, 190791), (119, 168345), (129, 155295), (135, 148393), (145, 138159), (153, 130935), (189, 105995), (203, 98685), (215, 93177), (255, 78561), (261, 76755), (301, 66555), (315, 63597), (357, 56115), (387, 51765), (435, 46053), (459, 43645), (493, 40635), (595, 33669), (609, 32895), (645, 31059), (731, 27405), (765, 26187), (783, 25585), (903, 22185), (945, 21199), (1015, 19737), (1071, 18705), (1161, 17255), (1247, 16065), (1305, 15351), (1479, 13545), (1505, 13311), (1785, 11223), (1827, 10965), (1935, 10353), (2193, 9135), (2295, 8729), (2465, 8127), (2709, 7395), (3045, 6579), (3213, 6235), (3451, 5805), (3655, 5481), (3741, 5355), (3915, 5117), (4437, 4515)]