20638332

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 64821120

約数和(自身を除く): 44182788

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 19, 22, 26, 33, 36, 38, 39, 44, 52, 57, 66, 76, 78, 99, 114, 117, 132, 143, 156, 171, 198, 209, 211, 228, 234, 247, 286, 342, 396, 418, 422, 429, 468, 494, 572, 627, 633, 684, 741, 836, 844, 858, 988, 1254, 1266, 1287, 1482, 1716, 1881, 1899, 2223, 2321, 2508, 2532, 2574, 2717, 2743, 2964, 3762, 3798, 4009, 4446, 4642, 5148, 5434, 5486, 6963, 7524, 7596, 8018, 8151, 8229, 8892, 9284, 10868, 10972, 12027, 13926, 16036, 16302, 16458, 20889, 24054, 24453, 24687, 27852, 30173, 32604, 32916, 36081, 41778, 44099, 48108, 48906, 49374, 52117, 60346, 72162, 83556, 88198, 90519, 97812, 98748, 104234, 120692, 132297, 144324, 156351, 176396, 181038, 208468, 264594, 271557, 312702, 362076, 396891, 469053, 529188, 543114, 573287, 625404, 793782, 938106, 1086228, 1146574, 1587564, 1719861, 1876212, 2293148, 3439722, 5159583, 6879444, 10319166, 20638332]

約数ペア:

[(1, 20638332), (2, 10319166), (3, 6879444), (4, 5159583), (6, 3439722), (9, 2293148), (11, 1876212), (12, 1719861), (13, 1587564), (18, 1146574), (19, 1086228), (22, 938106), (26, 793782), (33, 625404), (36, 573287), (38, 543114), (39, 529188), (44, 469053), (52, 396891), (57, 362076), (66, 312702), (76, 271557), (78, 264594), (99, 208468), (114, 181038), (117, 176396), (132, 156351), (143, 144324), (156, 132297), (171, 120692), (198, 104234), (209, 98748), (211, 97812), (228, 90519), (234, 88198), (247, 83556), (286, 72162), (342, 60346), (396, 52117), (418, 49374), (422, 48906), (429, 48108), (468, 44099), (494, 41778), (572, 36081), (627, 32916), (633, 32604), (684, 30173), (741, 27852), (836, 24687), (844, 24453), (858, 24054), (988, 20889), (1254, 16458), (1266, 16302), (1287, 16036), (1482, 13926), (1716, 12027), (1881, 10972), (1899, 10868), (2223, 9284), (2321, 8892), (2508, 8229), (2532, 8151), (2574, 8018), (2717, 7596), (2743, 7524), (2964, 6963), (3762, 5486), (3798, 5434), (4009, 5148), (4446, 4642)]