20407557492

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{971}}^1\times {\mathrm{83401}}^1$

素因数の和:84389

約数の個数: 72

約数和(自身を含む): 59016589632

約数和(自身を除く): 38609032140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 971, 1942, 2913, 3884, 5826, 6797, 8739, 11652, 13594, 17478, 20391, 27188, 34956, 40782, 61173, 81564, 83401, 122346, 166802, 244692, 250203, 333604, 500406, 583807, 750609, 1000812, 1167614, 1501218, 1751421, 2335228, 3002436, 3502842, 5254263, 7005684, 10508526, 21017052, 80982371, 161964742, 242947113, 323929484, 485894226, 566876597, 728841339, 971788452, 1133753194, 1457682678, 1700629791, 2267506388, 2915365356, 3401259582, 5101889373, 6802519164, 10203778746, 20407557492]

約数ペア:

[(1, 20407557492), (2, 10203778746), (3, 6802519164), (4, 5101889373), (6, 3401259582), (7, 2915365356), (9, 2267506388), (12, 1700629791), (14, 1457682678), (18, 1133753194), (21, 971788452), (28, 728841339), (36, 566876597), (42, 485894226), (63, 323929484), (84, 242947113), (126, 161964742), (252, 80982371), (971, 21017052), (1942, 10508526), (2913, 7005684), (3884, 5254263), (5826, 3502842), (6797, 3002436), (8739, 2335228), (11652, 1751421), (13594, 1501218), (17478, 1167614), (20391, 1000812), (27188, 750609), (34956, 583807), (40782, 500406), (61173, 333604), (81564, 250203), (83401, 244692), (122346, 166802)]