20762764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{7043}}^1$

素因数の和:7125

約数の個数: 24

約数和(自身を含む): 40235328

約数和(自身を除く): 19472564

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 7043, 14086, 28172, 77473, 154946, 309892, 471881, 943762, 1887524, 5190691, 10381382, 20762764]

約数ペア:

[(1, 20762764), (2, 10381382), (4, 5190691), (11, 1887524), (22, 943762), (44, 471881), (67, 309892), (134, 154946), (268, 77473), (737, 28172), (1474, 14086), (2948, 7043)]