20996910028

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1\times {\mathrm{811}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 37436370048

約数和(自身を除く): 16439460020

約数列:

[1, 2, 4, 107, 214, 241, 251, 428, 482, 502, 811, 964, 1004, 1622, 3244, 25787, 26857, 51574, 53714, 60491, 86777, 103148, 107428, 120982, 173554, 195451, 203561, 241964, 347108, 390902, 407122, 781804, 814244, 6472537, 12945074, 20913257, 21781027, 25890148, 41826514, 43562054, 49058201, 83653028, 87124108, 98116402, 196232804, 5249227507, 10498455014, 20996910028]

約数ペア:

[(1, 20996910028), (2, 10498455014), (4, 5249227507), (107, 196232804), (214, 98116402), (241, 87124108), (251, 83653028), (428, 49058201), (482, 43562054), (502, 41826514), (811, 25890148), (964, 21781027), (1004, 20913257), (1622, 12945074), (3244, 6472537), (25787, 814244), (26857, 781804), (51574, 407122), (53714, 390902), (60491, 347108), (86777, 241964), (103148, 203561), (107428, 195451), (120982, 173554)]