20037087

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 34624512

約数和(自身を除く): 14587425

約数列:

[1, 3, 7, 9, 21, 47, 63, 67, 101, 141, 201, 303, 329, 423, 469, 603, 707, 909, 987, 1407, 2121, 2961, 3149, 4221, 4747, 6363, 6767, 9447, 14241, 20301, 22043, 28341, 33229, 42723, 47369, 60903, 66129, 99687, 142107, 198387, 299061, 318049, 426321, 954147, 2226343, 2862441, 6679029, 20037087]

約数ペア:

[(1, 20037087), (3, 6679029), (7, 2862441), (9, 2226343), (21, 954147), (47, 426321), (63, 318049), (67, 299061), (101, 198387), (141, 142107), (201, 99687), (303, 66129), (329, 60903), (423, 47369), (469, 42723), (603, 33229), (707, 28341), (909, 22043), (987, 20301), (1407, 14241), (2121, 9447), (2961, 6767), (3149, 6363), (4221, 4747)]