20210884

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{419}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 36691200

約数和(自身を除く): 16480316

約数列:

[1, 2, 4, 31, 62, 124, 389, 419, 778, 838, 1556, 1676, 12059, 12989, 24118, 25978, 48236, 51956, 162991, 325982, 651964, 5052721, 10105442, 20210884]

約数ペア:

[(1, 20210884), (2, 10105442), (4, 5052721), (31, 651964), (62, 325982), (124, 162991), (389, 51956), (419, 48236), (778, 25978), (838, 24118), (1556, 12989), (1676, 12059)]