20160661664

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{17837}}^1$

素因数の和:17903

約数の個数: 144

約数和(自身を含む): 49357032480

約数和(自身を除く): 29196370816

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 32, 38, 44, 52, 76, 88, 104, 143, 152, 169, 176, 208, 209, 247, 286, 304, 338, 352, 416, 418, 494, 572, 608, 676, 836, 988, 1144, 1352, 1672, 1859, 1976, 2288, 2704, 2717, 3211, 3344, 3718, 3952, 4576, 5408, 5434, 6422, 6688, 7436, 7904, 10868, 12844, 14872, 17837, 21736, 25688, 29744, 35321, 35674, 43472, 51376, 59488, 70642, 71348, 86944, 102752, 141284, 142696, 196207, 231881, 282568, 285392, 338903, 392414, 463762, 565136, 570784, 677806, 784828, 927524, 1130272, 1355612, 1569656, 1855048, 2550691, 2711224, 3014453, 3139312, 3710096, 3727933, 4405739, 5101382, 5422448, 6028906, 6278624, 7420192, 7455866, 8811478, 10202764, 10844896, 12057812, 14911732, 17622956, 20405528, 24115624, 29823464, 33158983, 35245912, 40811056, 48231248, 48463129, 57274607, 59646928, 66317966, 70491824, 81622112, 96462496, 96926258, 114549214, 119293856, 132635932, 140983648, 193852516, 229098428, 265271864, 387705032, 458196856, 530543728, 630020677, 775410064, 916393712, 1061087456, 1260041354, 1550820128, 1832787424, 2520082708, 5040165416, 10080330832, 20160661664]

約数ペア:

[(1, 20160661664), (2, 10080330832), (4, 5040165416), (8, 2520082708), (11, 1832787424), (13, 1550820128), (16, 1260041354), (19, 1061087456), (22, 916393712), (26, 775410064), (32, 630020677), (38, 530543728), (44, 458196856), (52, 387705032), (76, 265271864), (88, 229098428), (104, 193852516), (143, 140983648), (152, 132635932), (169, 119293856), (176, 114549214), (208, 96926258), (209, 96462496), (247, 81622112), (286, 70491824), (304, 66317966), (338, 59646928), (352, 57274607), (416, 48463129), (418, 48231248), (494, 40811056), (572, 35245912), (608, 33158983), (676, 29823464), (836, 24115624), (988, 20405528), (1144, 17622956), (1352, 14911732), (1672, 12057812), (1859, 10844896), (1976, 10202764), (2288, 8811478), (2704, 7455866), (2717, 7420192), (3211, 6278624), (3344, 6028906), (3718, 5422448), (3952, 5101382), (4576, 4405739), (5408, 3727933), (5434, 3710096), (6422, 3139312), (6688, 3014453), (7436, 2711224), (7904, 2550691), (10868, 1855048), (12844, 1569656), (14872, 1355612), (17837, 1130272), (21736, 927524), (25688, 784828), (29744, 677806), (35321, 570784), (35674, 565136), (43472, 463762), (51376, 392414), (59488, 338903), (70642, 285392), (71348, 282568), (86944, 231881), (102752, 196207), (141284, 142696)]