201396820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{189997}}^1$

素因数の和:190059

約数の個数: 24

約数和(自身を含む): 430915464

約数和(自身を除く): 229518644

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 189997, 379994, 759988, 949985, 1899970, 3799940, 10069841, 20139682, 40279364, 50349205, 100698410, 201396820]

約数ペア:

[(1, 201396820), (2, 100698410), (4, 50349205), (5, 40279364), (10, 20139682), (20, 10069841), (53, 3799940), (106, 1899970), (212, 949985), (265, 759988), (530, 379994), (1060, 189997)]