20988199596

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{144511}}^1$

素因数の和:144564

約数の個数: 144

約数和(自身を含む): 64579522560

約数和(自身を除く): 43591322964

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 49, 52, 57, 76, 78, 84, 91, 98, 114, 133, 147, 156, 182, 196, 228, 247, 266, 273, 294, 364, 399, 494, 532, 546, 588, 637, 741, 798, 931, 988, 1092, 1274, 1482, 1596, 1729, 1862, 1911, 2548, 2793, 2964, 3458, 3724, 3822, 5187, 5586, 6916, 7644, 10374, 11172, 12103, 20748, 24206, 36309, 48412, 72618, 144511, 145236, 289022, 433533, 578044, 867066, 1011577, 1734132, 1878643, 2023154, 2745709, 3034731, 3757286, 4046308, 5491418, 5635929, 6069462, 7081039, 7514572, 8237127, 10982836, 11271858, 12138924, 13150501, 14162078, 16474254, 19219963, 21243117, 22543716, 26301002, 28324156, 32948508, 35694217, 38439926, 39451503, 42486234, 52602004, 57659889, 71388434, 76879852, 78903006, 84972468, 92053507, 107082651, 115319778, 134539741, 142776868, 157806012, 184107014, 214165302, 230639556, 249859519, 269079482, 276160521, 368214028, 403619223, 428330604, 499719038, 538158964, 552321042, 749578557, 807238446, 999438076, 1104642084, 1499157114, 1614476892, 1749016633, 2998314228, 3498033266, 5247049899, 6996066532, 10494099798, 20988199596]

約数ペア:

[(1, 20988199596), (2, 10494099798), (3, 6996066532), (4, 5247049899), (6, 3498033266), (7, 2998314228), (12, 1749016633), (13, 1614476892), (14, 1499157114), (19, 1104642084), (21, 999438076), (26, 807238446), (28, 749578557), (38, 552321042), (39, 538158964), (42, 499719038), (49, 428330604), (52, 403619223), (57, 368214028), (76, 276160521), (78, 269079482), (84, 249859519), (91, 230639556), (98, 214165302), (114, 184107014), (133, 157806012), (147, 142776868), (156, 134539741), (182, 115319778), (196, 107082651), (228, 92053507), (247, 84972468), (266, 78903006), (273, 76879852), (294, 71388434), (364, 57659889), (399, 52602004), (494, 42486234), (532, 39451503), (546, 38439926), (588, 35694217), (637, 32948508), (741, 28324156), (798, 26301002), (931, 22543716), (988, 21243117), (1092, 19219963), (1274, 16474254), (1482, 14162078), (1596, 13150501), (1729, 12138924), (1862, 11271858), (1911, 10982836), (2548, 8237127), (2793, 7514572), (2964, 7081039), (3458, 6069462), (3724, 5635929), (3822, 5491418), (5187, 4046308), (5586, 3757286), (6916, 3034731), (7644, 2745709), (10374, 2023154), (11172, 1878643), (12103, 1734132), (20748, 1011577), (24206, 867066), (36309, 578044), (48412, 433533), (72618, 289022), (144511, 145236)]