20136573008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{200117}}^1$

素因数の和:200475

約数の個数: 40

約数和(自身を含む): 41192289120

約数和(自身を除く): 21055716112

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 331, 662, 1324, 2648, 5296, 6289, 12578, 25156, 50312, 100624, 200117, 400234, 800468, 1600936, 3201872, 3802223, 7604446, 15208892, 30417784, 60835568, 66238727, 132477454, 264954908, 529909816, 1059819632, 1258535813, 2517071626, 5034143252, 10068286504, 20136573008]

約数ペア:

[(1, 20136573008), (2, 10068286504), (4, 5034143252), (8, 2517071626), (16, 1258535813), (19, 1059819632), (38, 529909816), (76, 264954908), (152, 132477454), (304, 66238727), (331, 60835568), (662, 30417784), (1324, 15208892), (2648, 7604446), (5296, 3802223), (6289, 3201872), (12578, 1600936), (25156, 800468), (50312, 400234), (100624, 200117)]