20006664

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 31833336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 71, 118, 142, 177, 199, 213, 236, 284, 354, 398, 426, 472, 568, 597, 708, 796, 852, 1194, 1416, 1592, 1704, 2388, 4189, 4776, 8378, 11741, 12567, 14129, 16756, 23482, 25134, 28258, 33512, 35223, 42387, 46964, 50268, 56516, 70446, 84774, 93928, 100536, 113032, 140892, 169548, 281784, 339096, 833611, 1667222, 2500833, 3334444, 5001666, 6668888, 10003332, 20006664]

約数ペア:

[(1, 20006664), (2, 10003332), (3, 6668888), (4, 5001666), (6, 3334444), (8, 2500833), (12, 1667222), (24, 833611), (59, 339096), (71, 281784), (118, 169548), (142, 140892), (177, 113032), (199, 100536), (213, 93928), (236, 84774), (284, 70446), (354, 56516), (398, 50268), (426, 46964), (472, 42387), (568, 35223), (597, 33512), (708, 28258), (796, 25134), (852, 23482), (1194, 16756), (1416, 14129), (1592, 12567), (1704, 11741), (2388, 8378), (4189, 4776)]