20601252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2819}}^1$

素因数の和:2865

約数の個数: 72

約数和(自身を含む): 61588800

約数和(自身を除く): 40987548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2819, 3654, 5638, 7308, 8457, 11276, 16914, 19733, 25371, 33828, 39466, 50742, 59199, 78932, 81751, 101484, 118398, 163502, 177597, 236796, 245253, 327004, 355194, 490506, 572257, 710388, 735759, 981012, 1144514, 1471518, 1716771, 2289028, 2943036, 3433542, 5150313, 6867084, 10300626, 20601252]

約数ペア:

[(1, 20601252), (2, 10300626), (3, 6867084), (4, 5150313), (6, 3433542), (7, 2943036), (9, 2289028), (12, 1716771), (14, 1471518), (18, 1144514), (21, 981012), (28, 735759), (29, 710388), (36, 572257), (42, 490506), (58, 355194), (63, 327004), (84, 245253), (87, 236796), (116, 177597), (126, 163502), (174, 118398), (203, 101484), (252, 81751), (261, 78932), (348, 59199), (406, 50742), (522, 39466), (609, 33828), (812, 25371), (1044, 19733), (1218, 16914), (1827, 11276), (2436, 8457), (2819, 7308), (3654, 5638)]