20714560

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3407}}^1$

素因数の和:3443

約数の個数: 56

約数和(自身を含む): 51937920

約数和(自身を除く): 31223360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 3407, 6080, 6814, 13628, 17035, 27256, 34070, 54512, 64733, 68140, 109024, 129466, 136280, 218048, 258932, 272560, 323665, 517864, 545120, 647330, 1035728, 1090240, 1294660, 2071456, 2589320, 4142912, 5178640, 10357280, 20714560]

約数ペア:

[(1, 20714560), (2, 10357280), (4, 5178640), (5, 4142912), (8, 2589320), (10, 2071456), (16, 1294660), (19, 1090240), (20, 1035728), (32, 647330), (38, 545120), (40, 517864), (64, 323665), (76, 272560), (80, 258932), (95, 218048), (152, 136280), (160, 129466), (190, 109024), (304, 68140), (320, 64733), (380, 54512), (608, 34070), (760, 27256), (1216, 17035), (1520, 13628), (3040, 6814), (3407, 6080)]