20114560

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 49076280

約数和(自身を除く): 28961720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 593, 640, 848, 1060, 1186, 1696, 2120, 2372, 2965, 3392, 4240, 4744, 5930, 6784, 8480, 9488, 11860, 16960, 18976, 23720, 31429, 33920, 37952, 47440, 62858, 75904, 94880, 125716, 157145, 189760, 251432, 314290, 379520, 502864, 628580, 1005728, 1257160, 2011456, 2514320, 4022912, 5028640, 10057280, 20114560]

約数ペア:

[(1, 20114560), (2, 10057280), (4, 5028640), (5, 4022912), (8, 2514320), (10, 2011456), (16, 1257160), (20, 1005728), (32, 628580), (40, 502864), (53, 379520), (64, 314290), (80, 251432), (106, 189760), (128, 157145), (160, 125716), (212, 94880), (265, 75904), (320, 62858), (424, 47440), (530, 37952), (593, 33920), (640, 31429), (848, 23720), (1060, 18976), (1186, 16960), (1696, 11860), (2120, 9488), (2372, 8480), (2965, 6784), (3392, 5930), (4240, 4744)]