20165404406

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3989989}}^1$

素因数の和:3990036

約数の個数: 24

約数和(自身を含む): 36484468560

約数和(自身を除く): 16319064154

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 3989989, 7979978, 27929923, 55859846, 75809791, 151619582, 530668537, 1061337074, 1440386029, 2880772058, 10082702203, 20165404406]

約数ペア:

[(1, 20165404406), (2, 10082702203), (7, 2880772058), (14, 1440386029), (19, 1061337074), (38, 530668537), (133, 151619582), (266, 75809791), (361, 55859846), (722, 27929923), (2527, 7979978), (5054, 3989989)]