20105253

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{601}}^1$

素因数の和:679

約数の個数: 40

約数和(自身を含む): 34964160

約数和(自身を除く): 14858907

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 567, 601, 1239, 1593, 1803, 3717, 4207, 4779, 5409, 11151, 12621, 16227, 33453, 35459, 37863, 48681, 106377, 113589, 248213, 319131, 340767, 744639, 957393, 2233917, 2872179, 6701751, 20105253]

約数ペア:

[(1, 20105253), (3, 6701751), (7, 2872179), (9, 2233917), (21, 957393), (27, 744639), (59, 340767), (63, 319131), (81, 248213), (177, 113589), (189, 106377), (413, 48681), (531, 37863), (567, 35459), (601, 33453), (1239, 16227), (1593, 12621), (1803, 11151), (3717, 5409), (4207, 4779)]