20197188

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{1889}}^1$

素因数の和:1919

約数の個数: 72

約数和(自身を含む): 57788640

約数和(自身を除く): 37591452

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 243, 297, 324, 396, 486, 594, 891, 972, 1188, 1782, 1889, 2673, 3564, 3778, 5346, 5667, 7556, 10692, 11334, 17001, 20779, 22668, 34002, 41558, 51003, 62337, 68004, 83116, 102006, 124674, 153009, 187011, 204012, 249348, 306018, 374022, 459027, 561033, 612036, 748044, 918054, 1122066, 1683099, 1836108, 2244132, 3366198, 5049297, 6732396, 10098594, 20197188]

約数ペア:

[(1, 20197188), (2, 10098594), (3, 6732396), (4, 5049297), (6, 3366198), (9, 2244132), (11, 1836108), (12, 1683099), (18, 1122066), (22, 918054), (27, 748044), (33, 612036), (36, 561033), (44, 459027), (54, 374022), (66, 306018), (81, 249348), (99, 204012), (108, 187011), (132, 153009), (162, 124674), (198, 102006), (243, 83116), (297, 68004), (324, 62337), (396, 51003), (486, 41558), (594, 34002), (891, 22668), (972, 20779), (1188, 17001), (1782, 11334), (1889, 10692), (2673, 7556), (3564, 5667), (3778, 5346)]