20055177

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 29843840

約数和(自身を除く): 9788663

約数列:

[1, 3, 9, 67, 79, 201, 237, 421, 603, 711, 1263, 3789, 5293, 15879, 28207, 33259, 47637, 84621, 99777, 253863, 299331, 2228353, 6685059, 20055177]

約数ペア:

[(1, 20055177), (3, 6685059), (9, 2228353), (67, 299331), (79, 253863), (201, 99777), (237, 84621), (421, 47637), (603, 33259), (711, 28207), (1263, 15879), (3789, 5293)]