20871324

素因数分解:

$2^2\times 3^3\times {\mathrm{149}}^1\times {\mathrm{1297}}^1$

素因数の和:1459

約数の個数: 48

約数和(自身を含む): 54516000

約数和(自身を除く): 33644676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 149, 298, 447, 596, 894, 1297, 1341, 1788, 2594, 2682, 3891, 4023, 5188, 5364, 7782, 8046, 11673, 15564, 16092, 23346, 35019, 46692, 70038, 140076, 193253, 386506, 579759, 773012, 1159518, 1739277, 2319036, 3478554, 5217831, 6957108, 10435662, 20871324]

約数ペア:

[(1, 20871324), (2, 10435662), (3, 6957108), (4, 5217831), (6, 3478554), (9, 2319036), (12, 1739277), (18, 1159518), (27, 773012), (36, 579759), (54, 386506), (108, 193253), (149, 140076), (298, 70038), (447, 46692), (596, 35019), (894, 23346), (1297, 16092), (1341, 15564), (1788, 11673), (2594, 8046), (2682, 7782), (3891, 5364), (4023, 5188)]