36720020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^2\times {\mathrm{409}}^1$

素因数の和:552

約数の個数: 36

約数和(自身を含む): 78471540

約数和(自身を除く): 41751520

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 409, 670, 818, 1340, 1636, 2045, 4090, 4489, 8180, 8978, 17956, 22445, 27403, 44890, 54806, 89780, 109612, 137015, 274030, 548060, 1836001, 3672002, 7344004, 9180005, 18360010, 36720020]

約数ペア:

[(1, 36720020), (2, 18360010), (4, 9180005), (5, 7344004), (10, 3672002), (20, 1836001), (67, 548060), (134, 274030), (268, 137015), (335, 109612), (409, 89780), (670, 54806), (818, 44890), (1340, 27403), (1636, 22445), (2045, 17956), (4090, 8978), (4489, 8180)]