20590722

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:807

約数の個数: 48

約数和(自身を含む): 46949760

約数和(自身を除く): 26359038

約数列:

[1, 2, 3, 6, 9, 18, 37, 43, 74, 86, 111, 129, 222, 258, 333, 387, 666, 719, 774, 1438, 1591, 2157, 3182, 4314, 4773, 6471, 9546, 12942, 14319, 26603, 28638, 30917, 53206, 61834, 79809, 92751, 159618, 185502, 239427, 278253, 478854, 556506, 1143929, 2287858, 3431787, 6863574, 10295361, 20590722]

約数ペア:

[(1, 20590722), (2, 10295361), (3, 6863574), (6, 3431787), (9, 2287858), (18, 1143929), (37, 556506), (43, 478854), (74, 278253), (86, 239427), (111, 185502), (129, 159618), (222, 92751), (258, 79809), (333, 61834), (387, 53206), (666, 30917), (719, 28638), (774, 26603), (1438, 14319), (1591, 12942), (2157, 9546), (3182, 6471), (4314, 4773)]