20045342

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 33242400

約数和(自身を除く): 13197058

約数列:

[1, 2, 19, 37, 38, 53, 74, 106, 269, 538, 703, 1007, 1406, 1961, 2014, 3922, 5111, 9953, 10222, 14257, 19906, 28514, 37259, 74518, 189107, 270883, 378214, 527509, 541766, 1055018, 10022671, 20045342]

約数ペア:

[(1, 20045342), (2, 10022671), (19, 1055018), (37, 541766), (38, 527509), (53, 378214), (74, 270883), (106, 189107), (269, 74518), (538, 37259), (703, 28514), (1007, 19906), (1406, 14257), (1961, 10222), (2014, 9953), (3922, 5111)]