20145867731

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{51869}}^1$

素因数の和:51995

約数の個数: 32

約数和(自身を含む): 24379729920

約数和(自身を除く): 4233862189

約数列:

[1, 11, 17, 31, 67, 187, 341, 527, 737, 1139, 2077, 5797, 12529, 22847, 35309, 51869, 388399, 570559, 881773, 1607939, 3475223, 9699503, 17687329, 27334963, 38227453, 59078791, 107731913, 300684593, 649866701, 1185051043, 1831442521, 20145867731]

約数ペア:

[(1, 20145867731), (11, 1831442521), (17, 1185051043), (31, 649866701), (67, 300684593), (187, 107731913), (341, 59078791), (527, 38227453), (737, 27334963), (1139, 17687329), (2077, 9699503), (5797, 3475223), (12529, 1607939), (22847, 881773), (35309, 570559), (51869, 388399)]