20180090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15173}}^1$

素因数の和:15206

約数の個数: 32

約数和(自身を含む): 43701120

約数和(自身を除く): 23521030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15173, 30346, 75865, 106211, 151730, 212422, 288287, 531055, 576574, 1062110, 1441435, 2018009, 2882870, 4036018, 10090045, 20180090]

約数ペア:

[(1, 20180090), (2, 10090045), (5, 4036018), (7, 2882870), (10, 2018009), (14, 1441435), (19, 1062110), (35, 576574), (38, 531055), (70, 288287), (95, 212422), (133, 151730), (190, 106211), (266, 75865), (665, 30346), (1330, 15173)]