20830060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 45704736

約数和(自身を除く): 24874676

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 457, 530, 860, 914, 1060, 1828, 2279, 2285, 4558, 4570, 9116, 9140, 11395, 19651, 22790, 24221, 39302, 45580, 48442, 78604, 96884, 98255, 121105, 196510, 242210, 393020, 484420, 1041503, 2083006, 4166012, 5207515, 10415030, 20830060]

約数ペア:

[(1, 20830060), (2, 10415030), (4, 5207515), (5, 4166012), (10, 2083006), (20, 1041503), (43, 484420), (53, 393020), (86, 242210), (106, 196510), (172, 121105), (212, 98255), (215, 96884), (265, 78604), (430, 48442), (457, 45580), (530, 39302), (860, 24221), (914, 22790), (1060, 19651), (1828, 11395), (2279, 9140), (2285, 9116), (4558, 4570)]