20161971406

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4266181}}^1$

素因数の和:4266339

約数の個数: 16

約数和(自身を含む): 32252335920

約数和(自身を除く): 12090364514

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4726, 4266181, 8532362, 72525077, 145050154, 592999159, 1185998318, 10080985703, 20161971406]

約数ペア:

[(1, 20161971406), (2, 10080985703), (17, 1185998318), (34, 592999159), (139, 145050154), (278, 72525077), (2363, 8532362), (4726, 4266181)]