20253760

素因数分解:

$2^6\times 5^1\times {\mathrm{167}}^1\times {\mathrm{379}}^1$

素因数の和:563

約数の個数: 56

約数和(自身を含む): 48646080

約数和(自身を除く): 28392320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 167, 320, 334, 379, 668, 758, 835, 1336, 1516, 1670, 1895, 2672, 3032, 3340, 3790, 5344, 6064, 6680, 7580, 10688, 12128, 13360, 15160, 24256, 26720, 30320, 53440, 60640, 63293, 121280, 126586, 253172, 316465, 506344, 632930, 1012688, 1265860, 2025376, 2531720, 4050752, 5063440, 10126880, 20253760]

約数ペア:

[(1, 20253760), (2, 10126880), (4, 5063440), (5, 4050752), (8, 2531720), (10, 2025376), (16, 1265860), (20, 1012688), (32, 632930), (40, 506344), (64, 316465), (80, 253172), (160, 126586), (167, 121280), (320, 63293), (334, 60640), (379, 53440), (668, 30320), (758, 26720), (835, 24256), (1336, 15160), (1516, 13360), (1670, 12128), (1895, 10688), (2672, 7580), (3032, 6680), (3340, 6064), (3790, 5344)]