20421228

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{19121}}^1$

素因数の和:19217

約数の個数: 24

約数和(自身を含む): 48187440

約数和(自身を除く): 27766212

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 19121, 38242, 57363, 76484, 114726, 229452, 1701769, 3403538, 5105307, 6807076, 10210614, 20421228]

約数ペア:

[(1, 20421228), (2, 10210614), (3, 6807076), (4, 5105307), (6, 3403538), (12, 1701769), (89, 229452), (178, 114726), (267, 76484), (356, 57363), (534, 38242), (1068, 19121)]