20228457

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 29393280

約数和(自身を除く): 9164823

約数列:

[1, 3, 29, 41, 53, 87, 107, 123, 159, 321, 1189, 1537, 2173, 3103, 3567, 4387, 4611, 5671, 6519, 9309, 13161, 17013, 63017, 127223, 164459, 189051, 232511, 381669, 493377, 697533, 6742819, 20228457]

約数ペア:

[(1, 20228457), (3, 6742819), (29, 697533), (41, 493377), (53, 381669), (87, 232511), (107, 189051), (123, 164459), (159, 127223), (321, 63017), (1189, 17013), (1537, 13161), (2173, 9309), (3103, 6519), (3567, 5671), (4387, 4611)]