20753172

素因数分解:

$2^2\times 3^6\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:680

約数の個数: 84

約数和(自身を含む): 59494176

約数和(自身を除く): 38741004

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 243, 297, 324, 396, 486, 594, 647, 729, 891, 972, 1188, 1294, 1458, 1782, 1941, 2588, 2673, 2916, 3564, 3882, 5346, 5823, 7117, 7764, 8019, 10692, 11646, 14234, 16038, 17469, 21351, 23292, 28468, 32076, 34938, 42702, 52407, 64053, 69876, 85404, 104814, 128106, 157221, 192159, 209628, 256212, 314442, 384318, 471663, 576477, 628884, 768636, 943326, 1152954, 1729431, 1886652, 2305908, 3458862, 5188293, 6917724, 10376586, 20753172]

約数ペア:

[(1, 20753172), (2, 10376586), (3, 6917724), (4, 5188293), (6, 3458862), (9, 2305908), (11, 1886652), (12, 1729431), (18, 1152954), (22, 943326), (27, 768636), (33, 628884), (36, 576477), (44, 471663), (54, 384318), (66, 314442), (81, 256212), (99, 209628), (108, 192159), (132, 157221), (162, 128106), (198, 104814), (243, 85404), (297, 69876), (324, 64053), (396, 52407), (486, 42702), (594, 34938), (647, 32076), (729, 28468), (891, 23292), (972, 21351), (1188, 17469), (1294, 16038), (1458, 14234), (1782, 11646), (1941, 10692), (2588, 8019), (2673, 7764), (2916, 7117), (3564, 5823), (3882, 5346)]