20178018

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53381}}^1$

素因数の和:53399

約数の個数: 32

約数和(自身を含む): 51246720

約数和(自身を除く): 31068702

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 53381, 106762, 160143, 320286, 373667, 480429, 747334, 960858, 1121001, 1441287, 2242002, 2882574, 3363003, 6726006, 10089009, 20178018]

約数ペア:

[(1, 20178018), (2, 10089009), (3, 6726006), (6, 3363003), (7, 2882574), (9, 2242002), (14, 1441287), (18, 1121001), (21, 960858), (27, 747334), (42, 480429), (54, 373667), (63, 320286), (126, 160143), (189, 106762), (378, 53381)]