20830635

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 44651520

約数和(自身を除く): 23820885

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 49, 63, 67, 105, 135, 141, 147, 189, 201, 235, 245, 315, 329, 335, 423, 441, 469, 603, 705, 735, 945, 987, 1005, 1269, 1323, 1407, 1645, 1809, 2115, 2205, 2303, 2345, 2961, 3015, 3149, 3283, 4221, 4935, 6345, 6615, 6909, 7035, 8883, 9045, 9447, 9849, 11515, 12663, 14805, 15745, 16415, 20727, 21105, 22043, 28341, 29547, 34545, 44415, 47235, 49245, 62181, 63315, 66129, 85023, 88641, 103635, 110215, 141705, 147735, 154301, 198387, 310905, 330645, 425115, 443205, 462903, 595161, 771505, 991935, 1388709, 2314515, 2975805, 4166127, 6943545, 20830635]

約数ペア:

[(1, 20830635), (3, 6943545), (5, 4166127), (7, 2975805), (9, 2314515), (15, 1388709), (21, 991935), (27, 771505), (35, 595161), (45, 462903), (47, 443205), (49, 425115), (63, 330645), (67, 310905), (105, 198387), (135, 154301), (141, 147735), (147, 141705), (189, 110215), (201, 103635), (235, 88641), (245, 85023), (315, 66129), (329, 63315), (335, 62181), (423, 49245), (441, 47235), (469, 44415), (603, 34545), (705, 29547), (735, 28341), (945, 22043), (987, 21105), (1005, 20727), (1269, 16415), (1323, 15745), (1407, 14805), (1645, 12663), (1809, 11515), (2115, 9849), (2205, 9447), (2303, 9045), (2345, 8883), (2961, 7035), (3015, 6909), (3149, 6615), (3283, 6345), (4221, 4935)]