20986682674

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9360697}}^1$

素因数の和:9360777

約数の個数: 16

約数和(自身を含む): 33698512800

約数和(自身を除く): 12711830126

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 9360697, 18721394, 177853243, 355706486, 552281123, 1104562246, 10493341337, 20986682674]

約数ペア:

[(1, 20986682674), (2, 10493341337), (19, 1104562246), (38, 552281123), (59, 355706486), (118, 177853243), (1121, 18721394), (2242, 9360697)]