20921159514

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{205109407}}^1$

素因数の和:205109429

約数の個数: 16

約数和(自身を含む): 44303632128

約数和(自身を除く): 23382472614

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 205109407, 410218814, 615328221, 1230656442, 3486859919, 6973719838, 10460579757, 20921159514]

約数ペア:

[(1, 20921159514), (2, 10460579757), (3, 6973719838), (6, 3486859919), (17, 1230656442), (34, 615328221), (51, 410218814), (102, 205109407)]