20041680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{739}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 62763840

約数和(自身を除く): 42722160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 113, 120, 226, 240, 339, 452, 565, 678, 739, 904, 1130, 1356, 1478, 1695, 1808, 2217, 2260, 2712, 2956, 3390, 3695, 4434, 4520, 5424, 5912, 6780, 7390, 8868, 9040, 11085, 11824, 13560, 14780, 17736, 22170, 27120, 29560, 35472, 44340, 59120, 83507, 88680, 167014, 177360, 250521, 334028, 417535, 501042, 668056, 835070, 1002084, 1252605, 1336112, 1670140, 2004168, 2505210, 3340280, 4008336, 5010420, 6680560, 10020840, 20041680]

約数ペア:

[(1, 20041680), (2, 10020840), (3, 6680560), (4, 5010420), (5, 4008336), (6, 3340280), (8, 2505210), (10, 2004168), (12, 1670140), (15, 1336112), (16, 1252605), (20, 1002084), (24, 835070), (30, 668056), (40, 501042), (48, 417535), (60, 334028), (80, 250521), (113, 177360), (120, 167014), (226, 88680), (240, 83507), (339, 59120), (452, 44340), (565, 35472), (678, 29560), (739, 27120), (904, 22170), (1130, 17736), (1356, 14780), (1478, 13560), (1695, 11824), (1808, 11085), (2217, 9040), (2260, 8868), (2712, 7390), (2956, 6780), (3390, 5912), (3695, 5424), (4434, 4520)]