20303892

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 40659948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 107, 108, 126, 189, 214, 251, 252, 321, 378, 428, 502, 642, 749, 753, 756, 963, 1004, 1284, 1498, 1506, 1757, 1926, 2247, 2259, 2889, 2996, 3012, 3514, 3852, 4494, 4518, 5271, 5778, 6741, 6777, 7028, 8988, 9036, 10542, 11556, 13482, 13554, 15813, 20223, 21084, 26857, 26964, 27108, 31626, 40446, 47439, 53714, 63252, 80571, 80892, 94878, 107428, 161142, 187999, 189756, 241713, 322284, 375998, 483426, 563997, 725139, 751996, 966852, 1127994, 1450278, 1691991, 2255988, 2900556, 3383982, 5075973, 6767964, 10151946, 20303892]

約数ペア:

[(1, 20303892), (2, 10151946), (3, 6767964), (4, 5075973), (6, 3383982), (7, 2900556), (9, 2255988), (12, 1691991), (14, 1450278), (18, 1127994), (21, 966852), (27, 751996), (28, 725139), (36, 563997), (42, 483426), (54, 375998), (63, 322284), (84, 241713), (107, 189756), (108, 187999), (126, 161142), (189, 107428), (214, 94878), (251, 80892), (252, 80571), (321, 63252), (378, 53714), (428, 47439), (502, 40446), (642, 31626), (749, 27108), (753, 26964), (756, 26857), (963, 21084), (1004, 20223), (1284, 15813), (1498, 13554), (1506, 13482), (1757, 11556), (1926, 10542), (2247, 9036), (2259, 8988), (2889, 7028), (2996, 6777), (3012, 6741), (3514, 5778), (3852, 5271), (4494, 4518)]