20121660486

素因数分解:

$2^1\times 3^2\times {\mathrm{487}}^1\times {\mathrm{641}}^1\times {\mathrm{3581}}^1$

素因数の和:4717

約数の個数: 48

約数和(自身を含む): 43766824608

約数和(自身を除く): 23645164122

約数列:

[1, 2, 3, 6, 9, 18, 487, 641, 974, 1282, 1461, 1923, 2922, 3581, 3846, 4383, 5769, 7162, 8766, 10743, 11538, 21486, 32229, 64458, 312167, 624334, 936501, 1743947, 1873002, 2295421, 2809503, 3487894, 4590842, 5231841, 5619006, 6886263, 10463682, 13772526, 15695523, 20658789, 31391046, 41317578, 1117870027, 2235740054, 3353610081, 6707220162, 10060830243, 20121660486]

約数ペア:

[(1, 20121660486), (2, 10060830243), (3, 6707220162), (6, 3353610081), (9, 2235740054), (18, 1117870027), (487, 41317578), (641, 31391046), (974, 20658789), (1282, 15695523), (1461, 13772526), (1923, 10463682), (2922, 6886263), (3581, 5619006), (3846, 5231841), (4383, 4590842), (5769, 3487894), (7162, 2809503), (8766, 2295421), (10743, 1873002), (11538, 1743947), (21486, 936501), (32229, 624334), (64458, 312167)]