20002666221

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1\times {\mathrm{1523}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 30069861120

約数和(自身を除く): 10067194899

約数列:

[1, 3, 9, 47, 61, 141, 183, 423, 509, 549, 1523, 1527, 2867, 4569, 4581, 8601, 13707, 23923, 25803, 31049, 71581, 71769, 92903, 93147, 214743, 215307, 278709, 279441, 644229, 775207, 836127, 1459303, 2325621, 4366441, 4377909, 6976863, 13099323, 13133727, 36434729, 39297969, 47287627, 109304187, 141862881, 327912561, 425588643, 2222518469, 6667555407, 20002666221]

約数ペア:

[(1, 20002666221), (3, 6667555407), (9, 2222518469), (47, 425588643), (61, 327912561), (141, 141862881), (183, 109304187), (423, 47287627), (509, 39297969), (549, 36434729), (1523, 13133727), (1527, 13099323), (2867, 6976863), (4569, 4377909), (4581, 4366441), (8601, 2325621), (13707, 1459303), (23923, 836127), (25803, 775207), (31049, 644229), (71581, 279441), (71769, 278709), (92903, 215307), (93147, 214743)]