20103957

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{13063}}^1$

素因数の和:13094

約数の個数: 20

約数和(自身を含む): 31614880

約数和(自身を除く): 11510923

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 13063, 39189, 117567, 248197, 352701, 744591, 1058103, 2233773, 6701319, 20103957]

約数ペア:

[(1, 20103957), (3, 6701319), (9, 2233773), (19, 1058103), (27, 744591), (57, 352701), (81, 248197), (171, 117567), (513, 39189), (1539, 13063)]