220836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 645120

約数和(自身を除く): 424284

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 239, 308, 462, 478, 717, 924, 956, 1434, 1673, 2629, 2868, 3346, 5019, 5258, 6692, 7887, 10038, 10516, 15774, 18403, 20076, 31548, 36806, 55209, 73612, 110418, 220836]

約数ペア:

[(1, 220836), (2, 110418), (3, 73612), (4, 55209), (6, 36806), (7, 31548), (11, 20076), (12, 18403), (14, 15774), (21, 10516), (22, 10038), (28, 7887), (33, 6692), (42, 5258), (44, 5019), (66, 3346), (77, 2868), (84, 2629), (132, 1673), (154, 1434), (231, 956), (239, 924), (308, 717), (462, 478)]