20506890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35977}}^1$

素因数の和:36006

約数の個数: 32

約数和(自身を含む): 51808320

約数和(自身を除く): 31301430

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 35977, 71954, 107931, 179885, 215862, 359770, 539655, 683563, 1079310, 1367126, 2050689, 3417815, 4101378, 6835630, 10253445, 20506890]

約数ペア:

[(1, 20506890), (2, 10253445), (3, 6835630), (5, 4101378), (6, 3417815), (10, 2050689), (15, 1367126), (19, 1079310), (30, 683563), (38, 539655), (57, 359770), (95, 215862), (114, 179885), (190, 107931), (285, 71954), (570, 35977)]