20146420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{953}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 48722688

約数和(自身を除く): 28576268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 953, 1057, 1510, 1906, 2114, 3020, 3812, 4228, 4765, 5285, 6671, 9530, 10570, 13342, 19060, 21140, 26684, 33355, 66710, 133420, 143903, 287806, 575612, 719515, 1007321, 1439030, 2014642, 2878060, 4029284, 5036605, 10073210, 20146420]

約数ペア:

[(1, 20146420), (2, 10073210), (4, 5036605), (5, 4029284), (7, 2878060), (10, 2014642), (14, 1439030), (20, 1007321), (28, 719515), (35, 575612), (70, 287806), (140, 143903), (151, 133420), (302, 66710), (604, 33355), (755, 26684), (953, 21140), (1057, 19060), (1510, 13342), (1906, 10570), (2114, 9530), (3020, 6671), (3812, 5285), (4228, 4765)]