20145793461

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{757}}^1\times {\mathrm{1109}}^1$

素因数の和:2309

約数の個数: 32

約数和(自身を含む): 28404988800

約数和(自身を除く): 8259195339

約数列:

[1, 3, 19, 57, 421, 757, 1109, 1263, 2271, 3327, 7999, 14383, 21071, 23997, 43149, 63213, 318697, 466889, 839513, 956091, 1400667, 2518539, 6055243, 8870891, 15950747, 18165729, 26612673, 47852241, 353434973, 1060304919, 6715264487, 20145793461]

約数ペア:

[(1, 20145793461), (3, 6715264487), (19, 1060304919), (57, 353434973), (421, 47852241), (757, 26612673), (1109, 18165729), (1263, 15950747), (2271, 8870891), (3327, 6055243), (7999, 2518539), (14383, 1400667), (21071, 956091), (23997, 839513), (43149, 466889), (63213, 318697)]