20080760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2473}}^1$

素因数の和:2520

約数の個数: 64

約数和(自身を含む): 53438400

約数和(自身を除く): 33357640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2473, 4060, 4946, 8120, 9892, 12365, 17311, 19784, 24730, 34622, 49460, 69244, 71717, 86555, 98920, 138488, 143434, 173110, 286868, 346220, 358585, 502019, 573736, 692440, 717170, 1004038, 1434340, 2008076, 2510095, 2868680, 4016152, 5020190, 10040380, 20080760]

約数ペア:

[(1, 20080760), (2, 10040380), (4, 5020190), (5, 4016152), (7, 2868680), (8, 2510095), (10, 2008076), (14, 1434340), (20, 1004038), (28, 717170), (29, 692440), (35, 573736), (40, 502019), (56, 358585), (58, 346220), (70, 286868), (116, 173110), (140, 143434), (145, 138488), (203, 98920), (232, 86555), (280, 71717), (290, 69244), (406, 49460), (580, 34622), (812, 24730), (1015, 19784), (1160, 17311), (1624, 12365), (2030, 9892), (2473, 8120), (4060, 4946)]