20700316

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 27562724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 37, 52, 53, 58, 74, 91, 106, 116, 148, 182, 203, 212, 259, 364, 371, 377, 406, 481, 518, 689, 742, 754, 812, 962, 1036, 1073, 1378, 1484, 1508, 1537, 1924, 1961, 2146, 2639, 2756, 3074, 3367, 3922, 4292, 4823, 5278, 6148, 6734, 7511, 7844, 9646, 10556, 10759, 13468, 13727, 13949, 15022, 19292, 19981, 21518, 25493, 27454, 27898, 30044, 39962, 43036, 50986, 54908, 55796, 56869, 79924, 97643, 101972, 113738, 139867, 178451, 195286, 227476, 279734, 356902, 390572, 398083, 559468, 713804, 739297, 796166, 1478594, 1592332, 2957188, 5175079, 10350158, 20700316]

約数ペア:

[(1, 20700316), (2, 10350158), (4, 5175079), (7, 2957188), (13, 1592332), (14, 1478594), (26, 796166), (28, 739297), (29, 713804), (37, 559468), (52, 398083), (53, 390572), (58, 356902), (74, 279734), (91, 227476), (106, 195286), (116, 178451), (148, 139867), (182, 113738), (203, 101972), (212, 97643), (259, 79924), (364, 56869), (371, 55796), (377, 54908), (406, 50986), (481, 43036), (518, 39962), (689, 30044), (742, 27898), (754, 27454), (812, 25493), (962, 21518), (1036, 19981), (1073, 19292), (1378, 15022), (1484, 13949), (1508, 13727), (1537, 13468), (1924, 10759), (1961, 10556), (2146, 9646), (2639, 7844), (2756, 7511), (3074, 6734), (3367, 6148), (3922, 5278), (4292, 4823)]