20007273021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{809}}^1\times {\mathrm{2803}}^1$

素因数の和:3805

約数の個数: 32

約数和(自身を含む): 28454094720

約数和(自身を除く): 8446821699

約数列:

[1, 3, 17, 51, 173, 519, 809, 2427, 2803, 2941, 8409, 8823, 13753, 41259, 47651, 139957, 142953, 419871, 484919, 1454757, 2267627, 2379269, 6802881, 7137807, 8243623, 24730869, 38549659, 115648977, 392299471, 1176898413, 6669091007, 20007273021]

約数ペア:

[(1, 20007273021), (3, 6669091007), (17, 1176898413), (51, 392299471), (173, 115648977), (519, 38549659), (809, 24730869), (2427, 8243623), (2803, 7137807), (2941, 6802881), (8409, 2379269), (8823, 2267627), (13753, 1454757), (41259, 484919), (47651, 419871), (139957, 142953)]