20916435

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 35712000

約数和(自身を除く): 14795565

約数列:

[1, 3, 5, 15, 19, 57, 79, 95, 237, 285, 395, 929, 1185, 1501, 2787, 4503, 4645, 7505, 13935, 17651, 22515, 52953, 73391, 88255, 220173, 264765, 366955, 1100865, 1394429, 4183287, 6972145, 20916435]

約数ペア:

[(1, 20916435), (3, 6972145), (5, 4183287), (15, 1394429), (19, 1100865), (57, 366955), (79, 264765), (95, 220173), (237, 88255), (285, 73391), (395, 52953), (929, 22515), (1185, 17651), (1501, 13935), (2787, 7505), (4503, 4645)]