20165739965

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1\times {\mathrm{29759}}^1$

素因数の和:30809

約数の個数: 32

約数和(自身を含む): 29140992000

約数和(自身を除く): 8975252035

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 1019, 5095, 7133, 19361, 29759, 35665, 96805, 135527, 148795, 208313, 565421, 677635, 1041565, 2827105, 3957947, 19789735, 30324421, 151622105, 212270947, 576163999, 1061354735, 2880819995, 4033147993, 20165739965]

約数ペア:

[(1, 20165739965), (5, 4033147993), (7, 2880819995), (19, 1061354735), (35, 576163999), (95, 212270947), (133, 151622105), (665, 30324421), (1019, 19789735), (5095, 3957947), (7133, 2827105), (19361, 1041565), (29759, 677635), (35665, 565421), (96805, 208313), (135527, 148795)]