20155884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 57684480

約数和(自身を除く): 37528596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 73, 76, 84, 114, 133, 146, 173, 219, 228, 266, 292, 346, 399, 438, 511, 519, 532, 692, 798, 876, 1022, 1038, 1211, 1387, 1533, 1596, 2044, 2076, 2422, 2774, 3066, 3287, 3633, 4161, 4844, 5548, 6132, 6574, 7266, 8322, 9709, 9861, 12629, 13148, 14532, 16644, 19418, 19722, 23009, 25258, 29127, 37887, 38836, 39444, 46018, 50516, 58254, 69027, 75774, 88403, 92036, 116508, 138054, 151548, 176806, 239951, 265209, 276108, 353612, 479902, 530418, 719853, 959804, 1060836, 1439706, 1679657, 2879412, 3359314, 5038971, 6718628, 10077942, 20155884]

約数ペア:

[(1, 20155884), (2, 10077942), (3, 6718628), (4, 5038971), (6, 3359314), (7, 2879412), (12, 1679657), (14, 1439706), (19, 1060836), (21, 959804), (28, 719853), (38, 530418), (42, 479902), (57, 353612), (73, 276108), (76, 265209), (84, 239951), (114, 176806), (133, 151548), (146, 138054), (173, 116508), (219, 92036), (228, 88403), (266, 75774), (292, 69027), (346, 58254), (399, 50516), (438, 46018), (511, 39444), (519, 38836), (532, 37887), (692, 29127), (798, 25258), (876, 23009), (1022, 19722), (1038, 19418), (1211, 16644), (1387, 14532), (1533, 13148), (1596, 12629), (2044, 9861), (2076, 9709), (2422, 8322), (2774, 7266), (3066, 6574), (3287, 6132), (3633, 5548), (4161, 4844)]