20655486

素因数分解:

$2^1\times 3^6\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 56

約数和(自身を含む): 48057024

約数和(自身を除く): 27401538

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 243, 279, 457, 486, 558, 729, 837, 914, 1371, 1458, 1674, 2511, 2742, 4113, 5022, 7533, 8226, 12339, 14167, 15066, 22599, 24678, 28334, 37017, 42501, 45198, 74034, 85002, 111051, 127503, 222102, 255006, 333153, 382509, 666306, 765018, 1147527, 2295054, 3442581, 6885162, 10327743, 20655486]

約数ペア:

[(1, 20655486), (2, 10327743), (3, 6885162), (6, 3442581), (9, 2295054), (18, 1147527), (27, 765018), (31, 666306), (54, 382509), (62, 333153), (81, 255006), (93, 222102), (162, 127503), (186, 111051), (243, 85002), (279, 74034), (457, 45198), (486, 42501), (558, 37017), (729, 28334), (837, 24678), (914, 22599), (1371, 15066), (1458, 14167), (1674, 12339), (2511, 8226), (2742, 7533), (4113, 5022)]