20145897598

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{397}}^2\times {\mathrm{809}}^1$

素因数の和:1684

約数の個数: 24

約数和(自身を含む): 30716560800

約数和(自身を除く): 10570663202

約数列:

[1, 2, 79, 158, 397, 794, 809, 1618, 31363, 62726, 63911, 127822, 157609, 315218, 321173, 642346, 12451111, 24902222, 25372667, 50745334, 127505681, 255011362, 10072948799, 20145897598]

約数ペア:

[(1, 20145897598), (2, 10072948799), (79, 255011362), (158, 127505681), (397, 50745334), (794, 25372667), (809, 24902222), (1618, 12451111), (31363, 642346), (62726, 321173), (63911, 315218), (127822, 157609)]