20954136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3371}}^1$

素因数の和:3424

約数の個数: 64

約数和(自身を含む): 61505280

約数和(自身を除く): 40551144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3371, 6216, 6742, 10113, 13484, 20226, 23597, 26968, 40452, 47194, 70791, 80904, 94388, 124727, 141582, 188776, 249454, 283164, 374181, 498908, 566328, 748362, 873089, 997816, 1496724, 1746178, 2619267, 2993448, 3492356, 5238534, 6984712, 10477068, 20954136]

約数ペア:

[(1, 20954136), (2, 10477068), (3, 6984712), (4, 5238534), (6, 3492356), (7, 2993448), (8, 2619267), (12, 1746178), (14, 1496724), (21, 997816), (24, 873089), (28, 748362), (37, 566328), (42, 498908), (56, 374181), (74, 283164), (84, 249454), (111, 188776), (148, 141582), (168, 124727), (222, 94388), (259, 80904), (296, 70791), (444, 47194), (518, 40452), (777, 26968), (888, 23597), (1036, 20226), (1554, 13484), (2072, 10113), (3108, 6742), (3371, 6216)]