202010128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{664507}}^1$

素因数の和:664534

約数の個数: 20

約数和(自身を含む): 411994960

約数和(自身を除く): 209984832

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 664507, 1329014, 2658028, 5316056, 10632112, 12625633, 25251266, 50502532, 101005064, 202010128]

約数ペア:

[(1, 202010128), (2, 101005064), (4, 50502532), (8, 25251266), (16, 12625633), (19, 10632112), (38, 5316056), (76, 2658028), (152, 1329014), (304, 664507)]