20177500881

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{20233}}^1$

素因数の和:20505

約数の個数: 32

約数和(自身を含む): 28554220800

約数和(自身を除く): 8376719919

約数列:

[1, 3, 23, 69, 97, 149, 291, 447, 2231, 3427, 6693, 10281, 14453, 20233, 43359, 60699, 332419, 465359, 997257, 1396077, 1962601, 3014717, 5887803, 9044151, 45139823, 69338491, 135419469, 208015473, 292427549, 877282647, 6725833627, 20177500881]

約数ペア:

[(1, 20177500881), (3, 6725833627), (23, 877282647), (69, 292427549), (97, 208015473), (149, 135419469), (291, 69338491), (447, 45139823), (2231, 9044151), (3427, 5887803), (6693, 3014717), (10281, 1962601), (14453, 1396077), (20233, 997257), (43359, 465359), (60699, 332419)]