20178012616

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{192113}}^1$

素因数の和:192829

約数の個数: 32

約数和(自身を含む): 39882866400

約数和(自身を除く): 19704853784

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 691, 1382, 2764, 5528, 13129, 26258, 52516, 105032, 192113, 384226, 768452, 1536904, 3650147, 7300294, 14600588, 29201176, 132750083, 265500166, 531000332, 1062000664, 2522251577, 5044503154, 10089006308, 20178012616]

約数ペア:

[(1, 20178012616), (2, 10089006308), (4, 5044503154), (8, 2522251577), (19, 1062000664), (38, 531000332), (76, 265500166), (152, 132750083), (691, 29201176), (1382, 14600588), (2764, 7300294), (5528, 3650147), (13129, 1536904), (26258, 768452), (52516, 384226), (105032, 192113)]